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Translation
King James Version
Peter seeing him saith to Jesus, Lord, and what shall this man do?
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KJV (with Strong's)
Peter G4074 seeing G1492 him G5126 saith G3004 to Jesus G2424, Lord G2962, and G1161 what G5101 shall this man G3778 do?
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Complete Jewish Bible
On seeing him, Kefa said to Yeshua, “Lord, what about him?”
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Berean Standard Bible
When Peter saw him, he asked, “Lord, what about him?”
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American Standard Version
Peter therefore seeing him saith to Jesus, Lord, and what shall this man do?
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World English Bible Messianic
Peter seeing him, said to Yeshua, “Lord, what about this man?”
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Geneva Bible (1599)
When Peter therefore sawe him, he saide to Iesus, Lord, what shall this man doe?
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Young's Literal Translation
Peter having seen this one, saith to Jesus, `Lord, and what of this one?'
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In the KJVVerse 26,920 of 31,102

Study This Verse

SUMMARY

John 21:21 captures a deeply human moment of curiosity and potential comparison from the Apostle Peter, immediately following his personal restoration by Jesus and a prophetic revelation concerning his own future martyrdom. Peter, having just been commissioned to shepherd Christ's flock and forewarned of his suffering, turns his attention to "the disciple whom Jesus loved" (traditionally John) and inquires about his destiny, asking Jesus, "Lord, and what shall this man do?" This question highlights the natural human tendency to look at others' paths even amidst profound personal encounters with the Lord.

CONTEXT

  • Literary Context: This verse is situated within the concluding chapter of John's Gospel, which serves as an epilogue detailing Jesus' post-resurrection appearances and interactions with His disciples, particularly Peter. The immediate preceding verses (John 21:15-19) describe Jesus' pivotal three-fold questioning of Peter ("Do you love me?") and Peter's three-fold affirmation, culminating in Jesus' commission to "Feed my lambs" and "Tend my sheep." This conversation symbolically reinstates Peter after his three denials of Jesus. Following this, Jesus prophesies Peter's future martyrdom, indicating "by what death he would glorify God" John 21:19. It is in the direct aftermath of this intensely personal and sobering revelation about his own future that Peter, seeing another disciple following, shifts his focus and asks about that man's destiny. The subsequent verses (John 21:22-23) contain Jesus' direct rebuke and clarification, emphasizing Peter's individual responsibility.

  • Historical & Cultural Context: The setting is the Sea of Tiberias (also known as the Sea of Galilee), a familiar place for the disciples, where Jesus had performed many miracles and called them to follow Him. This post-resurrection appearance underscores the reality of Jesus' bodily resurrection and His continued relationship with His disciples, preparing them for their future ministries. The prophecy of Peter's martyrdom would have resonated with the disciples' understanding of the dangers inherent in proclaiming the Gospel in a hostile Roman-occupied world. Early Christians often faced persecution and death for their faith, making the concept of glorifying God through suffering a tangible reality. Peter's question, while seemingly simple, reflects a natural human inclination to seek clarity or compare destinies, especially when one's own future has just been revealed as challenging.

  • Key Themes: John 21:21 contributes to several significant themes within the Gospel of John and the broader biblical narrative. Firstly, it underscores the theme of Individual Calling and Destiny, highlighting that each believer has a unique path and purpose ordained by God, as Jesus' response in John 21:22 powerfully emphasizes: "What is that to you? You follow me." Secondly, the verse subtly introduces the theme of Avoiding Comparison, cautioning against the human tendency to be preoccupied with the roles, destinies, or perceived successes of others rather than focusing on one's own obedience and relationship with Christ. This is a recurring theme in Christian discipleship, where the focus should remain on Christ rather than external distractions. Finally, it touches upon the Sovereignty of God over individual lives and futures, implying that John's destiny, like Peter's, was ultimately in God's hands, not a matter for Peter to question or compare. This reinforces the idea that God's plan for each person is perfect and distinct.

EXPOSITION AND ANALYSIS

Key Word Analysis

  • seeing (Greek, eídō', G1492): This primary verb means "to see" literally or figuratively, and by implication, "to know." In this context, Peter physically observes the other disciple following. The use of this word emphasizes Peter's direct perception, which then triggers his inquiry. It highlights that his question arises from an external observation, drawing his focus away from his immediate, profound interaction with Jesus about his own future.
  • saith (Greek, légō', G3004): This verb means "to lay forth" or "relate in words," often implying systematic or set discourse. Here, it indicates Peter's direct address to Jesus, a deliberate verbalization of his thought or concern. It's not a casual remark but a specific question posed to the Lord, indicating a desire for a definitive answer regarding the other disciple's fate.
  • what (Greek, tís', G5101): An interrogative pronoun meaning "who, which, or what" in direct or indirect questions. Peter's use of "what" here is a direct inquiry about the nature or specifics of the other disciple's future or role. It reflects a desire for information, perhaps driven by curiosity, concern, or even a subtle comparison, immediately after Jesus has revealed Peter's own challenging path.

Verse Breakdown

  • "Peter seeing him": This clause establishes the immediate action and subject. Peter, having just had a deeply personal and prophetic conversation with Jesus, physically observes "him"—referring to "the disciple whom Jesus loved" (John, as identified in John 21:20). This visual stimulus prompts Peter's subsequent question, indicating a shift in his focus from his own destiny to that of another.
  • "saith to Jesus, Lord": Peter directly addresses Jesus, using the respectful title "Lord." This shows his continued recognition of Jesus' authority and his habit of turning to Jesus with questions or concerns. Despite the profound revelations he has just received about his own life and death, Peter feels comfortable and compelled to seek Jesus' insight into another's future.
  • "and what shall this man do?": This is Peter's direct inquiry. The Greek is terse ("τούτου δὲ τί;" - "but this one, what?"), conveying a sense of abruptness or directness. Peter is asking about the future role, destiny, or fate of "this man" (John). The question implicitly carries a comparative element, as it immediately follows Jesus' detailed prophecy about Peter's own future, suggesting Peter might be wondering how John's path will compare or contrast with his own.

Literary Devices

The verse employs several subtle but powerful literary devices. Juxtaposition is evident as Peter's question about John's future immediately follows Jesus' detailed prophecy about Peter's own martyrdom. This creates a stark contrast between the intensely personal and weighty revelation Peter has just received and his subsequent outward-looking curiosity. There's an element of Irony in Peter, who has just been restored and given a clear, albeit challenging, personal mission, immediately diverting his attention to someone else's path. The question itself functions as a Rhetorical Question from Peter's perspective, though Jesus' subsequent answer transforms it into a teaching moment. The entire interaction serves as a Foreshadowing of the challenges disciples face in maintaining focus on their individual calling without succumbing to comparison or distraction.

THEOLOGICAL AND THEMATIC CONNECTIONS

John 21:21 serves as a profound theological touchstone regarding the nature of Christian discipleship and the individual's relationship with Christ. It underscores that while believers are part of a collective body, each person has a unique, divinely appointed calling and destiny. Peter's question, though perhaps born of natural curiosity or even concern, subtly highlights a common human pitfall: the tendency to compare one's own journey, gifts, or trials with those of others. Jesus' response in the subsequent verse John 21:22 powerfully redirects Peter's focus back to his primary responsibility: "What is that to you? You follow me!" This emphasizes that our ultimate allegiance and focus must be on Christ and His specific commands for our lives, rather than being distracted by the paths or perceived fates of others. It affirms God's sovereignty over each individual's life plan and reminds us that true discipleship is about personal obedience and unwavering commitment to following Jesus, regardless of what others are called to do or endure.

  • 1 Corinthians 12:4-7 - Explains the diversity of spiritual gifts and ministries, all empowered by the same Spirit for the common good, reinforcing that each believer has a unique role.
  • Romans 12:3-8 - Paul cautions against thinking too highly of oneself and encourages believers to use their differing gifts in humility, emphasizing individual functions within the body of Christ.
  • Hebrews 12:1-2 - Exhorts believers to "run with endurance the race that is set before us, looking to Jesus," rather than being distracted by others or external circumstances.

REFLECTION AND APPLICATION

John 21:21 offers a timeless and deeply practical lesson for every believer. In a world saturated with social comparison, whether through social media or professional competition, Peter's inquiry serves as a powerful reminder to guard our hearts against the temptation to measure our spiritual journey, our impact, our struggles, or our blessings against those of others. Just as Peter had a unique, challenging, and ultimately glorious path laid out for him, so too does every follower of Christ. Our energy and focus should be singularly directed towards hearing and obeying Jesus' personal call to "follow me." This means embracing our own unique gifts, facing our specific trials with faith, and fulfilling the particular mission God has entrusted to us, without being sidetwelled by what others are doing or experiencing. True spiritual maturity involves trusting God's sovereign plan for our individual lives and dedicating ourselves wholeheartedly to our personal walk with Him, finding contentment and purpose in His specific will for us.

Questions for Reflection

  • In what areas of your life do you find yourself comparing your journey or circumstances with others?
  • How does Jesus' implied redirection of Peter's focus back to "You follow me" challenge your own priorities?
  • What specific "calling" or "path" do you believe Jesus is asking you to focus on right now, without distraction?
  • How can embracing your unique purpose in Christ free you from the burden of comparison?

FAQ

Why did Peter ask about John's future immediately after Jesus spoke about his own?

Answer: Peter's question in John 21:21 likely stemmed from a combination of factors. Having just received a deeply personal and sobering prophecy about his own future martyrdom John 21:19, Peter's mind might have immediately turned to the fate of his close companion, "the disciple whom Jesus loved." It could be simple human curiosity, a desire to understand the broader picture, or perhaps even a subtle, unconscious tendency to compare his own challenging destiny with what might await another. This is a very human reaction to a significant personal revelation, highlighting our natural inclination to look around us even when our primary focus should remain on our direct relationship with God.

CHRIST-CENTERED FULFILLMENT

While John 21:21 primarily focuses on discipleship and individual calling, its Christ-centered fulfillment lies in how Jesus, as the sovereign Lord, orchestrates the unique paths of His followers for His ultimate glory and the advancement of His kingdom. Peter's question, though seemingly mundane, allows Jesus to articulate a profound truth: that each disciple's life, whether marked by martyrdom like Peter's or prolonged service like John's, is ultimately determined by Christ's divine will and serves His overarching redemptive plan. Jesus' response in John 21:22, "What is that to you? You follow me!", powerfully redirects Peter (and all believers) to the singular focus on Christ Himself. Our individual callings, gifts, and destinies are not for comparison or distraction, but are instruments in the hands of the Great Shepherd, who laid down His life for His sheep John 10:11. Every path, whether through suffering or service, is designed to glorify Him, echoing the ultimate sacrifice of the Lamb of God who takes away the sin of the world John 1:29. Thus, Peter's question, and Jesus' reply, ultimately point to Christ as the center and purpose of every believer's life and ministry, the One who calls, equips, and directs each of us according to His perfect will, for His eternal purposes Ephesians 2:10.

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Commentary on John 21 verses 20–25

I. II. Main points1. 2. Sub-points(1.) (2.) Details[1.] [2.] Fine details

In these verses, we have,

I. The conference Christ had with Peter concerning John, the beloved disciple, in which we have,

1.The eye Peter cast upon him (Joh 21:20): Peter, in obedience to his Master's orders, followed him, and turning about, pleased with the honours his Master now did him, he sees the disciple whom Jesus loved following likewise. Observe here, (1.) How John is described. He does not name himself, as thinking his own name not worthy to be preserved in these records; but gives such a description of himself as sufficiently informs us whom he meant, and withal gives us a reason why he followed Christ so closely. He was the disciple whom Jesus loved, for whom he had a particular kindness above the rest; and therefore you cannot blame him for coveting to be as much as possible within hearing of Christ's gracious words during those few precious minutes with which Christ favoured his disciples. It is probable that mention in here made of John's having leaned on Jesus's breast and his enquiring concerning the traitor, which he did at the instigation of Peter (Joh 13:24), as a reason why Peter made the following enquiry concerning him, to repay him for the former kindness. Then John was in the favourite's place, lying in Christ's bosom, and he improved the opportunity to oblige Peter. And now that Peter was in the favourite's place, called to take a walk with Christ, he thought himself bound in gratitude to put such a question for John as he thought would oblige him, we all being desirous to know things to come. Note, As we have interest at the throne of grace, we should improve it for the benefit of one another. Those that help us by their prayers at one time should be helped by us with ours at another time. This is the communion of saints. (2.) What he did: he also followed Jesus, which shows how well he loved his company; where he was there also would this servant of his be. When Christ called Peter to follow him, it looked as if he designed to have some private talk with him; but such an affection John had to his Master that he would rather do a thing that seemed rude than lose the benefit of any of Christ's discourse. What Christ said to Peter he took as said to himself; for that word of command, Follow me, was given to all the disciples. At least he desired to have fellowship with those that had fellowship with Christ, and to accompany those that attended him. The bringing of one to follow Christ should engage others. Draw me and we will run after thee, Sol 1:4. (3.) The notice Peter took of it: He, turning about, seeth him. This may be looked upon either, [1.] As a culpable diversion from following his Master; he should have been wholly intent upon that, and have waited to hear what Christ had further to say to him, and then was he looking about him to see who followed. Note, The best men find it hard to attend upon the Lord without distraction, hard to keep their minds so closely fixed as they should be in following Christ: and a needless and unseasonable regard to our brethren often diverts us from communion with God. Or, [2.] As a laudable concern for his fellow-disciples. He was not so elevated with the honour his Master did him, in singling him out from the rest, as to deny a kind look to one that followed. Acts of love to our brethren must go along with actings of faith in Christ.

2.The enquiry Peter made concerning him (Joh 21:21): "Lord, and what shall this man do? Thou hast told me my work - to feed the sheep; and my lot - to be carried whither I would not. What shall be his work, and his lot?" Now this may be taken as the language, (1.) Of concern for John, and kindness to him: "Lord, thou showest me a great deal of favour. Here comes thy beloved disciple, who never forfeited thy favour, as I have done; he expects to be taken notice of; hast thou nothing to say to him? Wilt thou not tell how he must be employed, and how he must be honoured?" (2.) Or of uneasiness at what Christ had said to him concerning his sufferings: "Lord, must I alone be carried whither I would not? Must I be marked out to be run down, and must this man have no share of the cross?" It is hard to reconcile ourselves to distinguishing sufferings, and the troubles in which we think we stand alone. (3.) Or of curiosity, and a fond desire of knowing things to come, concerning others, as well as himself. It seems, by Christ's answer, there was something amiss in the question. When Christ had given him the charge of such a treasure, and the notice of such a trial, it had well become him to have said, "Lord, and what shall I do then to approve myself faithful to such a trust, in such a trial? Lord, increase my faith. As my day is, let my strength be." But instead of this, [1.] He seems more concerned for another than for himself. So apt are we to be busy in other men's matters, but negligent in the concerns of our own souls - quick-sighted abroad, but dim-sighted at home - judging others, and prognosticating what they will do, when we have enough to do to prove our own work, and understand our own way. [2.] He seems more concerned about events than about duty. John was younger than Peter, and, in the course of nature, likely to survive him: "Lord," says he, "what times shall he be reserved for?" Whereas, if God by his grace enable us to persevere to the end, and finish well, and get safely to heaven, we need not ask, "What shall be the lot of those that shall come after us?" Is it not well if peace and truth be in my days? Scripture-predictions must be eyed for the directing of our consciences, not the satisfying of our curiosity.

3.Christ's reply to this enquiry (Joh 21:22), "If I will that he tarry till I come, and do not suffer as thou must, what is that to thee. Mind thou thy own duty, the present duty, follow thou me."

(1.)There seems to be here an intimation of Christ's purpose concerning John, in two things: - [1.] That he should not die a violent death, like Peter, but should tarry till Christ himself came by a natural death to fetch him to himself. The most credible of the ancient historians tell us that John was the only one of all the twelve that did not actually die a martyr. He was often in jeopardy, in bonds and banishments; but at length died in his bed in a good old age. Note, First, At death Christ comes to us to call us to account; and it concerns us to be ready for his coming. Secondly, Though Christ calls out some of his disciples to resist unto blood, yet not all. Though the crown of martyrdom is bright and glorious, yet the beloved disciple comes short of it. [2.] That he should not die till after Christ's coming to destroy Jerusalem: so some understand his tarrying till Christ comes. All the other apostles died before that destruction; but John survived it many years. God wisely so ordered it that one of the apostles should live so long as to close up the canon of the New Testament, which John did solemnly (Rev 22:18), and to obviate the design of the enemy that sowed tares even before the servants fell asleep. John lived to confront Ebion, and Cerinthus, and other heretics, who rose betimes, speaking perverse things.

(2.)Others think that it is only a rebuke to Peter's curiosity, and that his tarrying till Christ's second coming is only the supposition of an absurdity: "Wherefore askest thou after that which is foreign and secret? Suppose I should design that John should never die, what does that concern thee? It is nothing to thee, when or where, or how, John must die. I have told thee how thou must die for thy part; it is enough for thee to know that, Follow thou me." Note, It is the will of Christ that his disciples should mind their own present duty, and not be curious in their enquiries about future events, concerning either themselves or others. [1.] There are many things we are apt to be solicitous about that are nothing to us. Other people's characters are nothing to us; it is out of our line to judge them, Rom 14:4. Whatsoever they are, saith Paul, it makes no matter to me. Other people's affairs are nothing to us to intermeddle in; we must quietly work, and mind our own business. Many nice and curious questions are put by the scribes and disputers of this world concerning the counsels of God, and the state of the invisible world, concerning which we may say, What is this to us? What do you think will become of such and such? is a common question, which may easily be answered with another: What is that to me? To his own Master he stands or falls. What is it to us to know the times and the seasons? Secret things belong not to us. [2.] The great thing that is all in all to us is duty, and not event; for duty is ours, events are God's - our own duty, and not another's; for every one shall bear his own burden - our present duty, and not the duty of the time to come; for sufficient to the day shall be the directions thereof: a good man's steps are ordered by the Lord, (Psa 37:23); he is guided step by step. Now all our duty is summed up in this one of following Christ. We must attend his motions, and accommodate ourselves to them, follow him to do him honour, as the servant his master; we must walk in the way in which he walked, and aim to be where he is. And, if we will closely attend to the duty of following Christ, we shall find neither heart nor time to meddle with at which does not belong to us.

4.The mistake which arose from this saying of Christ, that that disciple should not die, but abide with the church to the end of time; together with the suppressing of this motion by a repetition of Christ's words, Joh 21:23. Observe here,

(1.)The easy rise of a mistake in the church by misconstruing the sayings of Christ, and turning a supposition to a position. Because John must not die a martyr, they conclude he must not die at all.

[1.]They were inclined to expect it because they could not choose but desire it. Quod volumus facile crediumus - We easily believe what we wish to be true. For John to abide in the flesh when the rest were gone, and to continue in the world till Christ's second coming, they think, will be a great blessing to the church, which in every age might have recourse to him as an oracle. When they must lose Christ's bodily presence, they hope they shall have that of his beloved disciple; as if that must supply the want of his, forgetting that the blessed Spirit, the Comforter, was to do that. Note, We are apt to dote too much on men and means, instruments and external helps, and to think we are happy if we may but have them always with us; whereas God will change his workmen, and yet carry on his work, that the excellency of the power may be of God, and not of men. There is no need of immortal ministers to be the guides of the church, while it is under the conduct of an eternal Spirit.

[2.]Perhaps they were confirmed in their expectations when they now found that John survived all the rest of the apostles. Because he lived long, they were ready to think he should live always; whereas that which waxeth old is ready to vanish away, Heb 8:13.

[3.]However, it took rise from a saying of Christ's, misunderstood, and then made a saying of the church. Hence learn, First, The uncertainty of human tradition, and the folly of building our faith upon it. Here was a tradition, an apostolical tradition, a saying that went abroad among the brethren. It was early; it was common; it was public; and yet it was false. How little then are those unwritten traditions to be relied upon which the council of Trent hath decreed to be received with a veneration and pious affection equal to that which is owing to the holy scripture. Here was a traditional exposition of scripture. No new saying of Christ's advanced, but only a construction put by the brethren upon what he did really say, and yet it was a misconstruction. Let the scripture be its own interpreter and explain itself, as it is in a great measure its own evidence and proves itself, for it is light. Secondly, The aptness of men to misinterpret the sayings of Christ. The grossest errors have sometimes shrouded themselves under the umbrage of incontestable truths; and the scriptures themselves have ben wrested by the unlearned and unstable. We must not think it strange if we hear the sayings of Christ misinterpreted, quoted to patronise the errors of antichrist, and the impudent doctrine of transubstantiation - for instance, pretending to build upon that blessed word of Christ, This is my body.

(2.)The easy rectifying of such mistakes, by adhering to the word of Christ, and abiding by that. So the evangelist here corrects and controls that saying among the brethren, by repeating the very words of Christ. He did not say that the disciple should not die. Let us not say so then; but he said, If I will that he tarry till I come, what is that to thee? He said so, and no more. Add thou not unto his words. Let the words of Christ speak for themselves, and let no sense be put upon them but what is genuine and natural; and in that let us agree. Note, The best end of men's controversies would be to keep to the express words of scripture, and speak, as well as think, according to that word, Isa 8:20. Scripture language is the safest and most proper vehicle of scripture truth: the words which the Holy Ghost teacheth, Co1 2:13. As the scripture itself, duly attended to, is the best weapon wherewith to wound all dangerous errors (and therefore deists, Socinians, papists, and enthusiasts do all they can to derogate the authority of scripture), so the scripture itself, humbly subscribed to, is the best weapon - salve to heal the wounds that are made by different modes of expression concerning the same truths. Those that cannot agree in the same logic and metaphysics, and the propriety of the same terms of air, and the application of them, may yet agree in the same scripture terms, and then may agree to love one another.

II. We have here the conclusion of this gospel, and with it of the evangelical story, Joh 21:24, Joh 21:25. This evangelist ends not so abruptly as the other three did, but with a sort of cadency.

1.This gospel concludes with an account of the author or penman of it, connected by a decent transition to that which went before (Joh 21:24): This is the disciple which testifies of these things to the present age, and wrote these things for the benefit of posterity, even this same that Peter and his Master had that conference about in the foregoing verses - John the apostle. Observe here, (1.) Those who wrote the history of Christ were not ashamed to put their names to it. John here does in effect subscribe his name. As we are sure who was the author of the first five books of the Old Testament, which were the foundation of that revelation, so we are sure who were the penmen of the four gospels and the Acts, the pentateuch of the New Testament. The record of Christ's life and death is not the report of we know not who, but was drawn up by men of known integrity, who were ready not only to depose it upon oath, but, which was more, to seal it with their blood. (2.) Those who wrote the history of Christ wrote upon their own knowledge, not by hearsay, but what they themselves were eye and ear witnesses of. The penman of this history was a disciple, a beloved disciple, one that had leaned on Christ's breast, that had himself heard his sermons and conferences, had seen his miracles, and the proofs of his resurrection. This is he who testifies what he was well assured of. (3.) Those who wrote the history of Christ, as they testified what they had seen, so they wrote what they had first testified. It was published by word of mouth, with the greatest assurance, before it was committed to writing. They testified it in the pulpit, testified it at the bar, solemnly averred it, stedfastly avowed it, not as travellers give an account of their travels, to entertain the company, but as witnesses upon oath give account of what they know in a matter of consequence, with the utmost caution and exactness, to found a verdict upon. What they wrote they wrote as an affidavit, which they would abide by. Their writings are standing testimonies to the world of the truth of Christ's doctrine, and will be testimonies either for us or against us according as we do or do not receive it. (4.) It was graciously appointed, for the support and benefit of the church, that the history of Christ should be put into writing, that it might with the greater fulness and certainty spread to every place, and last through every age.

2.It concludes with an attestation of the truth of what had been here related: We know that his testimony is true. This may be taken either, (1.) As expressing the common sense of mankind in matters of this nature, which is, that the testimony of one who is an eye-witness, is of unspotted reputation, solemnly deposes what he has seen, and puts it into writing for the greater certainty, is an unexceptionable evidence. We know, that is, All the world knows, that the testimony of such a one is valid, and the common faith of mankind requires us to give credit to it, unless we can disprove it; and in other cases verdict and judgment are given upon such testimonies. The truth of the gospel comes confirmed by all the evidence we can rationally desire or expect in a thing of this nature. The matter of fact, that Jesus did preach such doctrines, and work such miracles, and rise from the dead, is proved, beyond contradiction, by such evidence as is always admitted in other cases, and therefore to the satisfaction of all that are impartial; and then let the doctrine recommend itself, and let the miracles prove it to be of God. Or, (2.) As expressing the satisfaction of the churches at that time concerning the truth of what is here related. Some take it for the subscription of the church of Ephesus, others of the angels or ministers of the churches of Asia to this narrative. Not as if an inspired writing needed any attestation from men, or could thence receive any addition to its credibility; but hereby they recommended it to the notice of the churches, as an inspired writing, and declared the satisfaction they received by it. Or, (3.) As expressing the evangelist's own assurance of the truth of what he wrote, like that (Joh 19:35), He knows that he saith true. He speaks of himself in the plural number, We know, not for majesty-sake, but for modesty-sake, as Jo1 1:1, That which we have seen; and Pe2 1:16. Note, The evangelists themselves were entirely satisfied of the truth of what they have testified and transmitted to us. They do not require us to believe what they did not believe themselves; no, they knew that their testimony was true, for they ventured both this life and the other upon it; threw away this life, and depended upon another, on the credit of what they spoke and wrote.

3.It concludes with an et cetera, with a reference to many other things, very memorable, said and done by our Lord Jesus, which were well known by many then living, but not thought fit to be recorded for posterity, Joh 21:25. There were many things very remarkable and improvable, which, if they should be written at large, with the several circumstances of them, even the world itself, that is, all the libraries in it, could not contain the books that might be written. Thus he concludes like an orator, as Paul (Heb 11:32), What shall I more say? For the time would fail me. If it be asked why the gospels are not larger, why they did not make the New Testament history as copious and as long as the Old, it may be answered,

(1.)It was not because they had exhausted their subject, and had nothing more to write that was worth writing; no, there were many of Christ's sayings and doings not recorded by any of the evangelists, which yet were worthy to be written in letter of gold. For, [1.] Every thing that Christ said and did was worth our notice, and capable of being improved. He never spoke an idle word, nor did an idle thing; nay, he never spoke nor did any thing mean, or little, or trifling, which is more than can be said of the wisest or best of men. [2.] His miracles were many, very many, of many kinds, and the same often repeated, as occasion offered. Though one true miracle might perhaps suffice to prove a divine commission, yet the repetition of the miracles upon a great variety of persons, in a great variety of cases, and before a great variety of witnesses, helped very much to prove them true miracles. Every new miracle rendered the report of the former the more credible; and the multitude of them renders the whole report incontestable. [3.] The evangelists upon several occasions give general accounts of Christ's preaching and miracles, inclusive of many particulars, as Mat 4:23, Mat 4:24; Mat 9:35; Mat 11:1; Mat 14:14, Mat 14:36; Mat 15:30; Mat 19:2; and many others. When we speak of Christ, we have a copious subject before us; the reality exceeds the report, and, after all, the one half is not told us. St. Paul quotes one of Christ's sayings, which is not recorded by any of the evangelists (Act 20:35), and doubtless there were many more. All his sayings were apophthegms.

(2.)But it was for these three reasons: - [1.] Because it was not needful to write more. This is implied here. There were many other things, which were not written because there was no occasion for writing them. What is written is a sufficient revelation of the doctrine of Christ and the proof of it, and the rest was but to the same purport. Those that argue from this against the sufficiency of the scripture as the rule of our faith and practice, and for the necessity of unwritten traditions, ought to show what there is in the traditions they pretend to be perfective of the written word; we are sure there is that which is contrary to it, and therefore reject them. By these therefore let us be admonished, for of making many books there is no end, Ecc 12:12. If we do not believe and improve what is written, neither should we if there had been much more. [2.] It was not possible to write all. It was possible for the Spirit to indite all, but morally impossible for the penmen to pen all. The world could not contain the books. It is a hyperbole common enough and justifiable, when no more is intended than this, that it would fill a vast and incredible number of volumes. It would be such a large and overgrown history as never was; such as would jostle out all other writings, and leave us no room for them. What volumes would be filled with Christ's prayers, had we the record of all those he made, when he continued all night in prayer to God, without any vain repetitions? Much more if all his sermons and conferences were particularly related, his miracles, his cures, all his labours, all his sufferings; it would have been an endless thing. [3.] It was not advisable to write much; for the world, in a moral sense, could not contain the books that should be written. Christ said not what he might have said to his disciples, because they were not able to bear it; and for the same reason the evangelists wrote not what they might have written. The world could not contain, chōrēsai. It is the word that is used, Joh 8:37, "My word has no place in you." They would have been so many that they would have found no room. All people's time would have been spent in reading, and other duties would thereby have been crowded out. Much is overlooked of what is written, much forgotten, and much made the matter of doubtful disputation; this would have been the case much more if there had been such a world of books of equal authority and necessity as the whole history would have swelled to; especially since it was requisite that what was written should be meditated upon and expounded, which God wisely thought fit to leave room for. Parents and ministers, in giving instruction, must consider the capacities of those they teach, and, like Jacob, must take heed of over-driving. Let us be thankful for the books that are written, and not prize them the less for their plainness and brevity, but diligently improve what God has thought fit to reveal, and long to be above, where our capacities shall be so elevated and enlarged that there will be no danger of their being over-loaded.

The evangelist, concluding with Amen, thereby sets to his seal, and let us set to ours, an Amen of faith, subscribing to the gospel, that it is true, all true; and an Amen of satisfaction in what is written, as able to make us wise to salvation. Amen; so be it.

Matthew Henry (1662–1714) — Commentary on the Whole Bible. This section covers verses 20–25. Public domain.
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John ChrysostomAD 407
Homily on the Gospel of John 88
And observe, I pray thee, here also the absence of pride in the Evangelist; for having mentioned the opinion of the disciples, he corrects it, as though they had not comprehended what Jesus meant. "Jesus said not," he tells us, "that he shall not die, but, If I will that he tarry."
John ChrysostomAD 407
Homily on the Gospel of John 88
Wherefore hath he reminded us of that reclining? Not without cause or in a chance way, but to show us what boldness Peter had after the denial. For he who then did not dare to question Jesus, but committed the office to another, was even entrusted with the chief authority over the brethren, and not only doth not commit to another what relates to himself, but himself now puts a question to his Master concerning another. John is silent, but Peter speaks. He showeth also here the love which he bare towards him; for Peter greatly loved John, as is clear from what followed, and their close union is shown through the whole Gospel, and in the Acts.
John Chrysostom (as quoted by Aquinas, AD 1274)AD 407
Catena Aurea by Aquinas
(Hom. lxxxviii. 2) But if it be asked, How then did James assume the see of Jerusalem? I answer, that our Lord enthroned Peter, not as Bishop of this see, but as Doctor of the whole world: Then Peter, turning about, seeth the disciple whom Jesus loved following, which also leaned on his breast at supper. It is not without meaning that that circumstance of leaning on His breast is mentioned, but to show what confidence Peter had after his denial. For he who at the supper dared not ask himself, but gave his question to John to put, has the superintendence over his brethren committed to him, and whereas before he gave a question which concerned himself to another to put, he now asks questions himself of his Master concerning others. Our Lord then having foretold such great things of him, and committed the world to him, and prophesied his martyrdom, and made known his greater love, Peter wishing to have John admitted to a share of this calling, says, And what shall this man do? as if to say, Will he not go the same way with us? For Peter had great love for John, as appears from the Gospels and Acts of the Apostles, which give many proofs of their close friendship. So Peter does John the same turn, that John had done him; thinking that he wanted to ask about himself, but was afraid, he puts the question for him. However, inasmuch as they were now going to have the care of the world committed to them, and could not remain together without injury to their charge, our Lord says, If I will that he tarry till I come, what is that to thee? as if to say, Attend to the work committed to thee, and do it: if I will that he abide here, what is that to thee?

(Hom. lxxxviii) The Evangelist then corrects the opinion taken up by the disciples.
John ChrysostomAD 407
Homily on the Gospel of John 88
"Then went this saying abroad among the brethren, that that disciple should not die; yet Jesus said not that he shall not die; but, If I will that he tarry till I come, what is that to thee?" "Do not thou on any account suppose," He saith, "that I order your matters after a single rule." And this He did to withdraw them from their unseasonable sympathy for each other; for since they were about to receive the charge of the world, it was necessary that they should no longer be closely associated together; for assuredly this would have been a great loss to the world. Wherefore He saith unto him, "Thou hast had a work entrusted to thee, look to it, accomplish it, labor and struggle. What if I will that he tarry here? Look thou to and care for thine own matters."
John ChrysostomAD 407
Homily on the Gospel of John 88
Since he spake from strong affection, and wishing not to be torn away from him, Christ, to show that however much he might love, he could not go beyond His love, saith, "If I will that he tarry - what is that to thee?" By these words teaching us not to be impatient, nor curious beyond what seemeth good to Him. For because Peter was ever hot, and springing forward to enquiries such as this, to cut short his warmth, and to teach him not to enquire farther, He saith this.
John ChrysostomAD 407
Homily on the Gospel of John 88
When therefore Christ had foretold great things to him, and committed the world to him, and spake beforehand of his martyrdom, and testified that his love was greater than that of the others, desiring to have John also to share with him, he said, "And what shall this man do?" "Shall he not come the same way with us?" And as at that other time not being able himself to ask, he puts John forward, so now desiring to make him a return, and supposing that he would desire to ask about the matters pertaining to himself, but had not courage, he himself undertook the questioning. What then saith Christ? "If I will that he tarry till I come, what is that to thee?"
Augustine of HippoAD 430
Tractates on John 124
It is no unimportant question why the Lord, when He manifested Himself for the third time to the disciples, said unto the Apostle Peter, "Follow me;" but of the Apostle John, "Thus I wish him to remain till I come, what is that to thee?" When the Lord, then, had announced beforehand to Peter by what death he was to glorify God, "He saith unto him, Follow me. Then Peter, turning about, seeth the disciple whom Jesus loved following; who also leaned on His breast at supper, and said, Lord, which is he that shall betray Thee? Peter, therefore, seeing him, saith to Jesus, Lord, and what [of] this man? Jesus saith unto him, Thus do I wish him to remain till I come, what is that to thee? Follow thou me."
Augustine of HippoAD 430
Tractates on John 124
There are two states of life, therefore, preached and commended to herself from heaven, that are known to the Church, whereof the one is in faith, the other in sight; one in the temporal sojourn in a foreign land, the other in the eternity of the [heavenly] abode; one in labor, the other in repose; one on the way, the other in the fatherland; one in active work, the other in the wages of contemplation; one declines from evil and makes for good, the other has no evil to decline from, and has great good to enjoy; the one fights with a foe, the other reigns without a foe; the one is brave in the midst of adversities, the other has no experience of adversity; the one is bridling its carnal lusts, the other has full scope for spiritual delights; the one is anxious with the care of conquering, the other secure in the peace of victory; the one is helped in temptations, the other, free from all temptations, rejoices in the Helper Himself; the one is occupied in relieving the indigent, the other is there, where no indigence is found; the one pardons the sins of others, that its own may be pardoned to itself, the other neither has anything to pardon nor does aught for which pardon has to be asked; the one is scourged with evils that it may not be elated with good things, the other is free from all evil by such a fullness of grace that, without any temptation to pride, it may cleave to that which is supremely good; the one discerneth both good and evil, the other has only that which is good presented to view: therefore the one is good, but miserable as yet; the other, better and blessed. This one was signified by the Apostle Peter, that other by John.
Augustine of HippoAD 430
Tractates on John 124
Let no one, however, separate these distinguished apostles. In that which was signified by Peter, they were both alike; and in that which was signified by John, they will both be alike hereafter. In their representative character, the one was following, the other tarrying; but in their personal faith they were both of them enduring the present evils of the misery here, both of them expecting the future good things of the blessedness to come. And such is the case, not with them alone, but with the holy universal Church, the spouse of Christ, who has still to be rescued from the present trials, and to be preserved in the future happiness. And these two states of life were symbolized by Peter and John, the one by the one, the other by the other; but in this life they both of them walked for a time by faith, and the other they shall both of them enjoy eternally by sight. For the whole body of the saints, therefore, inseparably belonging to the body of Christ, and for their safe pilotage through the present tempestuous life, did Peter, the first of the apostles, receive the keys of the kingdom of heaven for the binding and loosing of sins; and for the same congregation of saints, in reference to the perfect repose in the bosom of that mysterious life to come did the evangelist John recline on the breast of Christ.
Augustine of Hippo (as quoted by Aquinas, AD 1274)AD 430
Catena Aurea by Aquinas
(Tract. cxxiii) He who denied and loved, died in perfect love for Him, for Whom he had promised to die with wrong haste. It was necessary that Christ should first die for Peter's salvation, and then Peter die for Christ's Gospel.

(Tract. cxxiv) Our Lord having foretold to Peter by what death he should glorify God, bids him follow Him. And when He had spoken this, He saith unto him, Follow Me. Why does He say, Follow Me, to Peter, and not to the others who were present, who as disciples were following their Master? Or if we understand it of his martyrdom, was Peter the only one who died for the Christian truth? Was not James put to death by Herod? Some one will say that James was not crucified, and that this was fitly addressed to Peter, because he not only died, but suffered the death of the cross, as Christ did.

(Tract. cxxiv) He calls himself the disciple whom Jesus loved, because Jesus had a greater and more familiar love for him, than for the rest; so that He made him lie on His breast at supper. In this way John the more commends the divine excellency of that Gospel which he preached. Some think, and they no contemptible commentators upon Scripture, that the reason why John was loved more than the rest, was, because he had lived in perfect chastity from his youth up. Then went this saying abroad among the brethren, that that disciple should not die: yet Jesus said not unto him, He shall not die; but, If I will that he tarry till I come, what is that to thee?

(Tract. cxxiv) Jesus saith unto him, What is that to thee? and He then repeats, Follow thou Me, as if John would not follow Him, because he wished to remain till He came; Then went this saying abroad among the disciples, that that disciple should not die. Was it not a natural inference of the disciple's? But John himself does away with such a notion: Yet Jesus said not unto him, He shall not die; but, If I will that he tarry till I come, what is that to thee? But if any so will, let him contradict, and say that what John says is true, viz. that our Lord did not say that that disciple should not die, but that nevertheless this was signified by using such words as John records.

(Tract. cxxiv.) Or perhaps he will allow that John still lies in his sepulchre at Ephesus, but asleep, not dead; and will give us a proof, that the soil over his grave is moist and watery, owing to his respiration. But why should our Lord grant it as a great privilege to the disciple whom He loved, that he should sleep this long time in the body, when he released Peter rent the burden of the flesh by a glorious martyrdom, and gave him what Paul had longed for, when he said, I have a desire to depart and be with Christ? If there really takes place at John's grave that which report says, it is either done to commend his precious death, since that had not martyrdom to commend it, or for some other cause not known to us. Yet the question remains, Why did our Lord say of one who was about to die, I will that he tarry till I come? It may be asked too why our Lord loved John the most, when Peter loved our Lord the most? I might easily reply, that the one who loved Christ the more, was the better man, and the one whom Christ loved the more, the more blessed; only this would not be a defence of our Lord's justice. This important question then I will endeavour to answer. The Church acknowledges two modes of life, as divinely revealed, that by faith, and that by sight. The one is represented by the Apostle Peter, in respect of the primacy of his Apostleship; the other by John: wherefore to the one it is said, Follow Me, i. e. imitate Me in enduring temporal sufferings; of the other it is said, I will that he tarry till I come: as if to say, Do thou follow Me, by the endurance of temporal sufferings, let him remain till I come to give everlasting bliss; or to open out the meaning more, Let action be perfected by following the example of My Passion, but let contemplation wait inchoate till at My coming it be completed: wait, not simply remain, continue, but wait for its completion at Christ's coming. Now in this life of action it is true, the more we love Christ, the more we are freed from sin; but He does not love us as we are, He frees us from sin, that we may not always remain as we are, but He loves us heretofore rather, because hereafter we shall not have that which displeases Him, and which He frees us from. So then let Peter love Him, that we may be freed from this mortality; let John be loved by Him, that we may be preserved in that immortality. John loved less than Peter, because, as he represented that life in which we are much more loved, our Lord said, I will that he remain (i. e. wait) till I come; seeing that that greater love we have not yet, but wait till we have it at His coming. And this intermediate state is represented by Peter who loves, but is loved less, for Christ loves us in our misery less than in our blessedness: and we again love the contemplation of truth such as it will be then, less in our present state, because as yet we neither know nor have it. But let none separate those illustrious Apostles; that which Peter represented, and that which John represented, both were sometime to be.
Augustine of HippoAD 430
Tractates on John 124
The whole of the one is passed here to the end of this world, and there finds its termination, the other is deferred for its completion till after the end of this world, but has no end in the world to come. Hence it is said to the latter, "Follow me;" but of the former, "Thus I will that he tarry till I come, what is that to thee? follow thou me." For what means this last? So far as my wisdom goes, so far as I comprehend, what is it but this, Follow thou me by imitating me in the endurance of temporal evils; let him remain till I come to restore everlasting good? And this may be expressed more clearly in this way: Let perfected action, informed by the example of my passion, follow me; but let contemplation only begun remain [so] till I come, to be perfected when I come. For the godly plenitude of patience, reaching forward even unto death, followeth Christ; but the fullness of knowledge tarrieth till Christ come, to be manifested then.
Theophylact of Ohrid (as quoted by Aquinas, AD 1274)AD 1107
Catena Aurea by Aquinas
Peter hearing that he was to suffer death for Christ, asks whether John was to die: Then Peter, turning about, seeth the disciple whom Jesus loved following; which also leaned on His breast at supper, and said, Lord, which is he that betrayeth Thee? Peter seeing him saith to Jesus, Lord, and what shall this man do?

i. e. Shall he not die?

Or let him say, Christ did not deny that John was to die, for whatever is born dies; but said, I will that he tarry till I come, i. e. to live to the end of the world, and then he shall suffer martyrdom for Me. And therefore they confess that he still lives, but will be killed by Antichrist, and will preach Christ's name with Elias. But if his sepulchre be objected, then they say that he entered in alive, and went out of it afterwards.

When our Lord says to Peter, Follow Me, He confers upon him the superintendence over all the faithful, and at the same time bids him imitate Him in every thing, word and work. He shows too His affection for Peter; for those who are most dear to us, we bid follow us.

Some have understood, Till I come, to mean, Till I come to punish the Jews who have crucified Me, and strike them with the Roman rod. For they say that this Apostle lived up to the time of Vespasian, who took Jerusalem, and dwelt near when it was taken. Or, Till I come, i. e. till I give him the commission to preach, for to you I commit now the pontificate of the world: and in this follow Me, but let him remain till I come and call him, as I do thee now.
Source: Quotations drawn from early Church Fathers and historical Christian theologians (AD 100–1500). Some quotes address the surrounding passage context rather than this verse alone.
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