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“Summary of Israel's Unbelief”· John 12:37–43
Translation
King James Version
That the saying of Esaias the prophet might be fulfilled, which he spake, Lord, who hath believed our report? and to whom hath the arm of the Lord been revealed?
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KJV (with Strong's)
That G2443 the saying G3056 of Esaias G2268 the prophet G4396 might be fulfilled G4137, which G3739 he spake G2036, Lord G2962, who G5101 hath believed G4100 our G2257 report G189? and G2532 to whom G5101 hath the arm G1023 of the Lord G2962 been revealed G601?
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Complete Jewish Bible
in order that what Yesha‘yahu the prophet had said might be fulfilled,

“Adonai, who has believed our report?
To whom has the arm of Adonai been revealed?”
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Berean Standard Bible
This was to fulfill the word of Isaiah the prophet: “Lord, who has believed our message? And to whom has the arm of the Lord been revealed?”
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American Standard Version
that the word of Isaiah the prophet might be fulfilled, which he spake, Lord, who hath believed our report? And to whom hath the arm of the Lord been revealed?
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World English Bible Messianic
that the word of Isaiah the prophet might be fulfilled, which he spoke, “Lord, who has believed our report? To whom has the arm of the Lord been revealed?”
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Geneva Bible (1599)
That the saying of Esaias the Prophete might be fulfilled, that he sayd, Lord, who beleeued our report? and to whome is the arme of the Lord reueiled?
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Young's Literal Translation
that the word of Isaiah the prophet might be fulfilled, which he said, `Lord, who gave credence to our report? and the arm of the Lord--to whom was it revealed?'
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Summary

John 12:38 serves as a pivotal interpretive key in John's Gospel, explaining the widespread unbelief among the Jewish people despite Jesus' miraculous signs and teachings. By quoting Isaiah 53:1, John asserts that this rejection was not an unforeseen failure but the sovereign fulfillment of ancient prophecy, highlighting humanity's resistance to divine revelation and God's powerful, yet often unrecognized, redemptive work.

Context

Literary Context

John 12:38 appears at a crucial turning point in John's narrative. Chapters 11 and 12 describe Jesus' final public ministry before his passion, culminating in the triumphant resurrection of Lazarus (John 11) and his triumphal entry into Jerusalem (John 12:12-19). Despite these undeniable demonstrations of divine power and messianic claims, the Jewish religious leaders and many among the populace remained stubbornly resistant to believing in Jesus. John introduces the quotation from Isaiah 53:1 in John 12:38 as a theological explanation for this pervasive unbelief, framing it not as a surprise, but as the fulfillment of God's prophetic word concerning the Messiah's reception. This passage bridges Jesus' public ministry with his private teachings to his disciples in the following chapters, emphasizing the tragic reality of human rejection in the face of divine truth.

Historical & Cultural Context

The first-century Jewish context was marked by intense messianic expectation, often intertwined with hopes for political liberation from Roman rule. While many sought a conquering king, Jesus presented himself as a suffering servant, challenging their preconceived notions of the Messiah. The religious leaders, particularly the Pharisees and Sadducees, held significant power and influence, and their rejection of Jesus was deeply rooted in their interpretation of the Law, their fear of Roman reprisal, and their desire to maintain their authority (John 11:47-48). The "report" of the prophet Isaiah would have been familiar to many, as Isaiah was a foundational prophetic book. However, the specific prophecy of the Suffering Servant in Isaiah 53 was often overlooked or reinterpreted by many in favor of prophecies emphasizing the Messiah's glory and triumph. John's quotation directly confronts this selective understanding, highlighting the tragic irony that God's powerful "arm" was indeed revealed, but not recognized by those who expected it in a different form.

Key Themes

The quotation in John 12:38 underscores several critical themes within John's Gospel and biblical theology. Foremost is the theme of Prophetic Fulfillment, asserting that Jesus' life, ministry, and even the rejection he faced, were not random occurrences but precisely aligned with God's pre-ordained plan revealed in the Old Testament. This validates Jesus' identity as the promised Messiah and God's sovereignty over history. Another central theme is the Problem of Unbelief, which is a recurring motif in John's Gospel. Despite Jesus' signs and words, many chose not to believe, demonstrating humanity's capacity to resist divine light (John 3:19-20). This unbelief is often linked to a preference for human glory over divine glory (John 12:43). Finally, the verse highlights the theme of Divine Revelation and Power through the metaphor of "the arm of the Lord." This refers to God's active, saving power, which was supremely manifested in Jesus Christ, yet tragically unrecognized by many. The passage implicitly raises the question of true spiritual perception versus spiritual blindness.

Exposition and Analysis

Key Word Analysis

report akoḗ G189

This word, derived from the verb "to hear," refers to hearing (the act), the sense of hearing, or the thing heard, such as a message, rumor, or report. In the context of Isaiah 53:1 and John 12:38, it signifies the message or proclamation about the Suffering Servant. The question "who has believed our report?" implies that the message about God's redemptive work through the Messiah was proclaimed, but largely met with skepticism and rejection. It underscores the concept of a revealed truth that was not received.

believed pisteúō G4100

This verb means "to have faith (in, upon, or with respect to, a person or thing)," implying credit, trust, or commitment. In the New Testament, particularly in John's Gospel, it carries the profound theological weight of entrusting one's spiritual well-being to Christ. The rhetorical question "who hath believed...?" highlights the scarcity of genuine faith in response to the "report" of God's saving work, emphasizing the human failure to respond appropriately to divine revelation.

arm brachíōn G1023

Properly meaning "the arm," this word is used figuratively to denote strength, power, or active intervention. In biblical idiom, "the arm of the Lord" is a powerful metaphor for God's mighty acts of deliverance, salvation, and judgment. It represents God's visible, effective power at work in the world. In Isaiah 53:1, it points to the Suffering Servant as the embodiment of God's redemptive power. The question "to whom hath the arm of the Lord been revealed?" laments that God's ultimate manifestation of power in Christ was not recognized or accepted by the very people it was meant to save.

Verse Breakdown

"That the saying of Esaias the prophet might be fulfilled, which he spake,"

This introductory clause explicitly states John's theological purpose in quoting Isaiah 53:1. It emphasizes the concept of prophetic fulfillment, asserting that the events unfolding in Jesus' ministry—specifically the widespread unbelief—were not accidental but were part of God's pre-ordained plan, foretold centuries earlier by the prophet Isaiah. This serves to validate Jesus' messianic identity and God's sovereignty over history.

"Lord, who hath believed our report?"

This is the first rhetorical question from Isaiah 53:1. It expresses a lament over the scarcity of belief in the message (the "report") concerning God's redemptive work through His chosen servant. In John's context, "our report" refers to the testimony about Jesus, including his miracles, teachings, and claims to divinity. The question underscores the tragic reality that despite overwhelming evidence, few truly embraced the truth about who Jesus was and what he came to do.

"and to whom hath the arm of the Lord been revealed?"

This second rhetorical question from Isaiah 53:1 is parallel to the first and intensifies its meaning. The "arm of the Lord" is a powerful biblical metaphor for God's saving power and active intervention. In the context of Jesus, it refers to God's ultimate revelation of His power through the person and work of Christ, particularly His miracles, resurrection, and atoning sacrifice. The question laments that this supreme manifestation of God's power was not recognized or accepted by most, implying a spiritual blindness that prevented them from perceiving God's redemptive hand at work in Jesus.

Literary Devices

John 12:38 powerfully employs several literary devices. The most prominent is Quotation/Allusion, as John directly quotes Isaiah 53:1. This serves to establish a direct link between Old Testament prophecy and New Testament fulfillment, underscoring the divine plan. The verse also utilizes Rhetorical Question ("who hath believed our report? and to whom hath the arm of the Lord been revealed?"). These questions are not posed to elicit information but to express lament, emphasize a point (the pervasive unbelief), and highlight the tragic reality of human spiritual blindness. Furthermore, the phrase "the arm of the Lord" is a potent Metaphor, representing God's saving power and active intervention. The use of this metaphor in the context of widespread unbelief creates a profound sense of Irony: God's ultimate power was being revealed in Jesus, yet it was precisely this revelation that many failed to perceive or believe.

Theological and Thematic Connections

John 12:38 stands as a profound theological statement on the nature of divine sovereignty and human responsibility. It asserts that even the rejection of the Messiah was not outside of God's foreknowledge and plan, yet it does not diminish human culpability for unbelief. The passage highlights the tension between God's sovereign will and human freedom, suggesting that while God's plan unfolds, human beings remain accountable for their response to His revelation. The "arm of the Lord" being revealed in Christ signifies that God's power is not always manifested in ways humans expect (e.g., political triumph), but often in humility, suffering, and self-sacrifice, which requires spiritual discernment to recognize. This verse thus serves as a somber reminder of the cost of spiritual blindness and the necessity of faith to perceive God's work.

Romans 10:16"But they have not all obeyed the gospel. For Esaias saith, Lord, who hath believed our report?" (Directly quotes the same passage from Isaiah, reinforcing the theme of unbelief in response to the gospel message.)
Isaiah 52:10"The Lord hath made bare his holy arm in the eyes of all the nations; and all the ends of the earth shall see the salvation of our God." (Provides broader context for the "arm of the Lord" as God's saving power, contrasting with the unbelief in John 12:38.)
John 3:19"And this is the condemnation, that light is come into the world, and men loved darkness rather than light, because their deeds were evil." (Connects human unbelief to a moral choice, aligning with the "report" being rejected.)

Reflection and Application

John 12:38 offers a sobering reflection on the nature of belief and unbelief, challenging us to consider our own hearts in the face of God's revelation. It reminds us that even with overwhelming evidence, human beings can choose to harden their hearts and resist the truth. This verse urges us to examine whether we are truly open to God's "report" about Jesus, not just intellectually, but with a willingness to entrust our lives to Him. The "arm of the Lord" is still being revealed today through His Word, His Spirit, and His ongoing work in the world and in our lives. Are we recognizing His power, His presence, and His call? Are we allowing our preconceived notions, desires for worldly approval, or comfort zones to blind us to the profound truth of who Jesus is and what He has done? This passage calls us to cultivate a spirit of humility and receptivity, actively seeking to perceive and respond to God's saving power, rather than allowing spiritual blindness to lead us astray.

Questions for Reflection

  1. In what ways might I be resisting God's "report" or revelation in my own life, perhaps due to preconceived notions or personal preferences?
  2. How do I recognize and respond to "the arm of the Lord" (God's active power and salvation) at work in the world and in my personal circumstances today?
  3. What are the potential consequences of persistent unbelief, both for individuals and communities, as illustrated by this passage?

FAQ

Does John 12:38 imply that God predestined people to unbelief, removing their responsibility?

John 12:38, by quoting Isaiah 53:1, highlights God's foreknowledge and sovereign plan, indicating that the widespread unbelief was not a surprise to God but part of His prophetic unfolding. However, it does not remove human responsibility. The Bible consistently presents unbelief as a culpable choice, often stemming from a preference for darkness over light (John 3:19) or the praise of men over the praise of God (John 12:43). While God's plan is immutable, human beings are still held accountable for their response to His revelation. The prophecy explains why the unbelief occurred in God's larger narrative, not that individuals were forced into it.

What is the significance of "the arm of the Lord" in this verse?

"The arm of the Lord" is a powerful Old Testament metaphor for God's active, saving power and intervention. It signifies His strength, His ability to deliver, and His mighty acts of salvation. In the context of Isaiah 53, it refers to the Suffering Servant (Jesus) as the embodiment of God's redemptive power. In John 12:38, the rhetorical question "to whom hath the arm of the Lord been revealed?" laments that despite Jesus' miracles and teachings—which were clear demonstrations of God's power—many failed to recognize or believe in this divine manifestation. It underscores a tragic spiritual blindness to God's ultimate revelation of Himself in Christ.

Christ-Centered Fulfillment

John 12:38, in quoting Isaiah 53:1, profoundly points to Jesus Christ as the ultimate fulfillment of the Suffering Servant prophecy, even in the very act of His rejection. The "report" that few believed was the gospel message about Jesus' identity as the Son of God and the Messiah, confirmed by His signs and teachings. The "arm of the Lord" was supremely revealed in Christ—not in a display of earthly might, but in His humble incarnation, His miraculous works, His atoning death on the cross, and His glorious resurrection. This revelation of God's saving power was tragically missed by many, yet it was precisely through this "unbelieved report" and "unrecognized arm" that God accomplished the salvation of the world. Jesus, as the suffering servant of Isaiah 53, bore the sins of many (Isaiah 53:12), and His sacrifice became the means by which God's arm was truly revealed to those who would believe. His death and resurrection, though a stumbling block to some (1 Corinthians 1:23), became the power of God for salvation to everyone who believes (Romans 1:16). Thus, the very prophecy lamenting unbelief foreshadowed the means by which God's ultimate saving power would be made manifest in the person and work of Jesus Christ.

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Public-domain commentary

Matthew Henry

From his Commentary on the Whole Bible. Henry comments on passages, not single verses — this entry covers John 12:37–41. His four-level outline is real structure in the source text, so it is rendered as structure.

1662–1714 · 5 verses
Passage under commentJohn 12:37–41
I. II. Main points1. 2. Sub-points(1.) (2.) Details[1.] [2.] Fine details

We have here the honour done to our Lord Jesus by the Old Testament prophets, who foretold and lamented the infidelity of the many that believed not on him. It was indeed a dishonour and grief to Christ that his doctrine met with so little acceptance and so much opposition; but this takes off the wonder and reproach, makes the offence of it to cease, and made it no disappointment to Christ, that herein the scriptures were fulfilled. Two things are here said concerning this untractable people, and both were foretold by the evangelical prophet Isaiah, that they did not believe, and that they could not believe.

I.They did not believe (Joh 12:37):

Though he had done so many miracles before them, which, one would think, should have convinced them, yet they believed not, but opposed him. Observe,

1.The abundance of the means of conviction which Christ afforded them: He did miracles, so many miracles; tosauta sēmeia signifying both so many and so great. This refers to all the miracles he had wrought formerly; nay, the blind and lame now came to him into the temple, and he healed them, Mat 21:14. His miracles were the great proof of his mission, and on the evidence of them he relied. Two things concerning them he here insists upon: - (1.) The number of them; they were many, - various and of divers kinds; numerous and often repeated; and every new miracle confirmed the reality of all that went before. The multitude of his miracles was not only a proof of his unexhausted power, but gave the greater opportunity to examine them; and, if there had been a cheat in them, it was morally impossible but that in some or other of them it would have been discovered; and, being all miracles of mercy, the more there were the more good was done. (2.) The notoriety of them. He wrought these miracles before them, not at a distance, not in a corner, but before many witnesses, appearing to their own eyes.

2.The inefficacy of these means: Yet they believed not on him. They could not gainsay the premises, and yet would not grant the conclusion. Note, The most plentiful and powerful means of conviction will not of themselves work faith in the depraved prejudiced hearts of men. These saw, and yet believed not.

3.The fulfilling of the scripture in this (Joh 12:38): That the saying of Esaias might be fulfilled. Not that these infidel Jews designed the fulfilling of the scripture (they rather fancied those scriptures which speak of the church's best sons to be fulfilled in themselves), but the event exactly answered the prediction, so that (ut for ita ut) this saying of Esaias was fulfilled. The more improbable any event is, the more does a divine foresight appear in the prediction of it. One could not have imagined that the kingdom of the Messiah, supported with such pregnant proofs, should have met with so much opposition among the Jews, and therefore their unbelief is called a marvellous work, and a wonder, Isa 29:14. Christ himself marvelled at it, but it was what Isaiah foretold (Isa 53:1), and now it is accomplished. Observe,

(1.)The gospel is here called their report: Who has believed, tē akon hēmōn - our hearing, which we have heard from God, and which you have heard from us. Our report is the report that we bring, like the report of a matter of fact, or the report of a solemn resolution in the senate.

(2.)It is foretold that a few comparatively of those to whom this report is brought will be persuaded to give credit to it. Many hear it, but few heed it and embrace it: Who hath believed it? Here and there one, but none to speak of; not the wise, not the noble; it is to them but a report which wants confirmation.

(3.)It is spoken of as a thing to be greatly lamented that so few believe the report of the gospel. Lord is here prefixed from the Septuagint, but is not in the Hebrew, and intimates a sorrowful account brought to God by the messengers of the cold entertainment which they and their report had; as the servant came, and showed his lord all these things, Luk 14:21.

(4.)The reason why men believe not the report of the gospel is because the arm of the Lord is not revealed to them, that is, because they do not acquaint themselves with, and submit themselves to, the grace of God; they do not experimentally know the virtue and fellowship of Christ's death and resurrection, in which the arm of the Lord is revealed. They saw Christ's miracles, but did not see the arm of the Lord revealed in them.

II.They could not believe, and therefore they could not because Esaias said, He hath blinded their eyes.

This is a hard saying, who can explain it? We are sure that God is infinitely just and merciful, and therefore we cannot think there is in any such an impotency to good, resulting from the counsels of God, as lays them under a fatal necessity of being evil. God dams none by mere sovereignty; yet it is said, They could not believe. St. Austin, coming in course to the exposition of these words, expresses himself with a holy fear of entering upon an enquiry into this mystery. Justa sunt judicia ejus, sed occulta - His judgments are just, but hidden.

1.They could not believe, that is, they would not; they were obstinately resolved in their infidelity; thus Chrysostom and Austin incline to understand it; and the former gives divers instances of scripture of the putting of an impotency to signify the invincible refusal of the will, as Gen 37:4, They could not speak peaceably to him. And Joh 7:7. This is a moral impotency, like that of one that is accustomed to do evil, Jer 13:23. But,

2.They could not because Esaias had said, He hath blinded their eyes. Here the difficulty increases; it is certain that God is not the author of sin, and yet,

(1.)There is a righteous hand of God sometimes to be acknowledged in the blindness and obstinacy of those who persist in impenitency and unbelief, by which they are justly punished for their former resistance of the divine light and rebellion against the divine law. If God withhold abused grace, and give men over to indulged lusts, - if he permit the evil spirit to do his work on those that resisted the good Spirit, - and if in his providence he lay stumbling-blocks in the way of sinners, which confirm their prejudices, then he blinds their eyes, and hardens their hearts, and these are spiritual judgments, like the giving up of idolatrous Gentiles to vile affections, and degenerate Christians to strong delusions. Observe the method of conversion implied here, and the steps taken in it.

[1.]Sinners are brought to see with their eyes, to discern the reality of divine things and to have some knowledge of them.

[2.]To understand with their heart, to apply these things to themselves; not only to assent and approve, but to consent and accept.

[3.]To be converted, and effectually turned from sin to Christ, from the world and the flesh to God, as their felicity and portion.

[4.]Then God will heal them, will justify and sanctify them; will pardon their sins, which are as bleeding wounds, and mortify their corruptions, which are as lurking diseases. Now when God denies his grace nothing of this is done; the alienation of the mind fRom. and its aversion to, God and the divine life, grow into a rooted and invincible antipathy, and so the case becomes desperate.

(2.)Judicial blindness and hardness are in the word of God threatened against those who wilfully persist in wickedness, and were particularly foretold concerning the Jewish church and nation. Known unto God are all his works, and all ours too. Christ knew before who would betray him, and spoke of it, Joh 6:70. This is a confirmation of the truth of scripture prophecies, and thus even the unbelief of the Jews may help to strengthen our faith. It is also intended for caution to particular persons, to beware lest that come upon them which was spoken of in the prophets, Act 13:40.

(3.)What God has foretold will certainly come to pass, and so, by a necessary consequence, in order of arguing, it might be said that therefore they could not believe, because God by the prophets had foretold they would not; for such is the knowledge of God that he cannot be deceived in what he foresees, and such his truth that he cannot deceive in what he foretels, so that the scripture cannot be broken. Yet be it observed that the prophecy did not name particular persons; so that it might not be said, "Therefore such a one and such a one could not believe, because Esaias had said so and so;" but it pointed at the body of the Jewish nation, which would persist in their infidelity till their cities were wasted without inhabitants, as it follows (Isa 6:11, Isa 6:12); yet still reserving a remnant (Isa 6:13, in it shall be a tenth), which reserve was sufficient to keep a door of hope open to particular persons; for each one might say, Why may not I be of that remnant?

Lastly, The evangelist, having quoted the prophecy, shows (Joh 12:41) that it was intended to look further than the prophet's own days, and that its principal reference was to the days of the Messiah: These things said Esaias when he saw his glory, and spoke of him. 1. We read in the prophecy that this was said to Esaias, Isa 6:8, Isa 6:9. But here we are told that it was said by him to the purpose. For nothing was said by him as a prophet which was not first said to him; nor was any thing said to him which was not afterwards said by him to those to whom he was sent. See Isa 21:10. 2. The vision which the prophet there had of the glory of God is here said to be his seeing the glory of Jesus Christ: He saw his glory. Jesus Christ therefore is equal in power and glory with the Father, and his praises are equally celebrated. Christ had a glory before the foundation of the world, and Esaias saw this. 3. It is said that the prophet there spoke of him. It seems to have been spoken of the prophet himself (for to him the commission and instructions were there given), and yet it is here said to be spoken of Christ, for as all the prophets testified of him so they all typified him. This they spoke of him, that as to many his coming would be not only fruitless, but fatal, a savour of death unto death. It might be objected against his doctrine, If it was from heaven, why did not the Jews believe it? But this is an answer to it; it was not for want of evidence, but because their heart was made fat, and their ears were heavy. It was spoken of Christ, that he should be glorified in the ruin of an unbelieving multitude, as well as in the salvation of a distinguished remnant.

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Historical interpretation

Four Centuries of Reception

5 surviving comments on this verse. Each one is dated, so this reads as a timeline rather than a list.

5 quotes · AD 407–804
Post-NiceneEarly Medieval
400500600700800

Select a marker to jump to its quote. Markers stagger vertically where authors wrote within a few decades of each other.

AD 407John Chrysostomas quoted by Aquinas, AD 1274Post-NiceneSourceCatena Aurea by Aquinas
(Hom. lxviii. 1) And thus the Evangelist tacitly explains it, when he adds, But though He had done so many miracles before them, yet they believed not on Him.

(Hom. lxviii. 2) But why then did Christ come? Did He not know that they would not believe in Him? Yes: the Prophets had prohibited this very unbelief, and He came that it might be made manifest, to their confusion and condemnation; That the saying of Esaias the prophet might be fulfilled, which He spake, Lord, who hath believed our report? and to whom hath the arm of the Lord been revealed?

(Hom. lxviii. 2) That the saying of Esaias might be fulfilled: that here is expressive not of the cause, but of the event. They did not disbelieve because Esaias said they would; but because they would disbelieve, Esaias said they would.

(Hom. lxviii. 2) This is a common form of speech among ourselves. I cannot love such a man, meaning by this necessity only a vehement will. The Evangelist says could not, to show that it was impossible that the Prophet should lie, not that it was impossible that they should believe.

(Hom. lxviii) For He does not leave us, except we wish Him, as He saith in Hosea, Seeing thou hast forgotten the law of thy God, I will also forget thy children. (Hos. 4:6) Whereby it is plain that we begin to forsake first, and are the cause of our own perdition. For as it is not the fault of the sun, that it hurts weak eyes, so neither is God to blame for punishing those who do not attend to His words.

(Hom. lxviii. 2) His glory means the vision of Him sitting on His lofty throne: I saw the Lord sitting upon a throne. Also I heard the voice of the Lord, saying, Whom shall I send, and who will go for us? (Is. 6:1)
AD 428Theodore of MopsuestiaPost-NiceneSourceCOMMENTARY ON JOHN 12.38-41
What did he see? In the spiritual vision, in the revelation of divine nature, which is incomprehensible, Isaiah saw the glory that, since it is common to the Father, the Son and the Holy Spirit, Scripture cannot establish precisely whether it is the glory of the Son or the Holy Spirit, and therefore neither the Evangelist nor the apostle are in contradiction by saying that it is the glory of the Son or of the Holy Spirit.
"But though He had done so many miracles before them, yet they believed not on Him: that the saying of Isaiah the prophet might be fulfilled, which he spake, Lord, who hath believed our report and to whom hath the arm of the Lord been revealed?" Where he makes it sufficiently plain that the Son of God is Himself the arm of the Lord; not that the person of God the Father is determined by the shape of human flesh, and that the Son is attached to Him as a member of His body; but because all things were made by Him, and therefore He is designated the arm of the Lord. For as it is with thine arm that thou workest, so the Word of God is styled His arm; because by the Word He elaborated the world. For why does a man, in order to do some work, stretch forth his arm, but because the doing of it does not straightway follow his word? And if he was endowed with such pre-eminent power that what he said was done without any movement of his body, then would his word be his arm. But the Lord Jesus, the only-begotten Son of God the Father, as He is no mere member of the Father's body, so is He no mere thinkable, and audible, and transitory word; for, as all things were made by Him, He was the word of God.

When, therefore, we hear that the Son of God is the arm of God the Father, let no carnal custom raise its distracting din in our ears; but as far as His grace enables us, let us think of that power and wisdom of God by which all things were made. Surely such an arm as that is neither held out by stretching, nor drawn in by contracting it. For He is not one and the same with the Father, but He and the Father are one; and as equal with the Father, He is in all respects complete, as well as the Father: so that no room is left open for the abominable error of those who assert that the Father alone exists, but according to the difference of causes is Himself sometimes called the Son, sometimes the Holy Spirit.

There are some, then, who mutter among themselves, and sometimes speak out when they can, and even break forth into turbulent debate, saying: What did the Jews do, or what fault was it of theirs, if it was a necessity "that the saying of Isaiah the prophet should be fulfilled, which he spake, Lord, who hath believed our report and to whom hath the arm of the Lord been revealed?" To whom our answer is, that the Lord, in His foreknowledge of the future, foretold by the prophet the unbelief of the Jews; He foretold it, but did not cause it. For God does not compel any one to sin simply because He knows already the future sins of men. For He foreknew sins that were theirs, not His own; sins that were referable to no one else, but to their own selves. Accordingly, if what He foreknew as theirs is not really theirs, then had He no true foreknowledge: but as His foreknowledge is infallible, it is doubtless no one else, but they themselves, whose sinfulness God foreknew, that are the sinners. The Jews, therefore, committed sin, with no compulsion to do so on His part, to whom sin is an object of displeasure; but He foretold their committing of it, because nothing is concealed from His knowledge. And accordingly, had they wished to do good instead of evil, they would not have been hindered; but in this which they were to do they were foreseen of Him who knows what every man will do, and what He is yet to render unto such an one according to his work.

But the words of the Gospel also, that follow, are still more pressing, and start a question of more profound import: for He goes on to say, "Therefore they could not believe, because that Isaiah said again, He hath blinded their eyes, and hardened their heart; that they should not see with their eyes, nor understand with their heart, and be converted, and I should heal them." For it is said to us: If they could not believe, what sin is it in man not to do what he cannot do and if they sinned in not believing, then they had the power to believe, and did not use it. If, then, they had the power, how says the Gospel, "Therefore they could not believe, because that Isaiah said again, He hath blinded their eyes, and hardened their heart;" so that (which is of grave import) to God Himself is referred the cause of their not believing, inasmuch as it is He who "hath blinded their eyes, and hardened their heart"?

"They could not believe," because that Isaiah the prophet foretold it; and the prophet foretold it because God foreknew that such would be the case. But if I am asked why they could not, I reply at once, because they would not; for certainly their depraved will was foreseen by God, and foretold through the prophet by Him from whom nothing that is future can be hid. But the prophet, sayest thou, assigns another cause than that of their will. What cause does the prophet assign? That "God hath given them the spirit of remorse, eyes that they should not see, and ears that they should not hear; and hath blinded their eyes, and hardened their heart." This also, I reply, their will deserved. For God thus blinds and hardens, simply by letting alone and withdrawing His aid: and God can do this by a judgment that is hidden, although not by one that is unrighteous. This is a doctrine which the piety of the God-fearing ought to preserve unshaken and inviolable in all its integrity: even as the apostle, when treating of the same intricate question, says, "What shall we say then? is there unrighteousness with God? God forbid." If, then, we must be far from thinking that there is unrighteousness with God, this only can it be, that, when He giveth His aid, He acteth mercifully; and, when He withholdeth it, He acteth righteously: for in all He doeth, He acteth not rashly, but in accordance with judgment.

"These things said Isaiah, when he saw His glory, and spake of Him." What Isaiah saw, and how it refers to Christ the Lord, are to be read and learned in his book. For he saw Him, not as He is, but in some symbolical way to suit the form that the vision of the prophet had itself to assume. For Moses likewise saw Him, and yet we find him saying to Him whom he saw, "If I have found grace in Thy sight, show me now Thyself, that I may clearly see Thee;" for he saw Him not as He is. But the time when this shall yet be our experience, that same Saint John the Evangelist tells us in his Epistle: "Dearly beloved, [now] are we the sons of God; and it hath not yet become manifest what we shall be: because we know that, when He shall appear, we shall be like Him; for we shall see Him as He is." And be not deceived, brethren, by any of those who assert that the Father is invisible, and the Son visible. This assertion is made by those who think that the latter is a creature, and whose understanding runs not in harmony with the words, "I and my Father one." Accordingly, as respects the form of God wherein He is equal with the Father, the Son also is invisible: but, in order to be seen of men, He assumed the form of a servant, and being made in the likeness of men, became visible to man. He showed Himself, therefore, even before His incarnation, to the eyes of men, as it pleased Him, in the creature-form at His command, but not as He is. Let us be purifying our hearts by faith, that we may be prepared for that ineffable and, so to speak, invisible vision. For "blessed are the pure in heart; for they shall see God."
AD 430Augustine of Hippoas quoted by Aquinas, AD 1274Post-NiceneSourceCatena Aurea by Aquinas
(Tr. liii. 2) It is evident here that the arm of the Lord is the Son of God Himself. Not that the Father has a human fleshly form; He is called the arm of the Lord, because all things were made by Him. If a man had power of such a kind, as that without any motion of his body, what he said was forthwith done, the word of that man would be his arm. Here is no ground to justify, however, the error of those who say that the Godhead is one Person only, because the Son is the arm of the Father, and a man and his arm are not two persons, but one. These men do not understand, that the commonest things require to be explained often by applying language to them taken from other things in which there happens to be a likeness, [cand that, when we are upon things incomprehensible, and which cannot be described as they actually are, this is much more necessary. Thus one man calls another man, whom he makes great use of, his arm; and talks of having lost his arm, of having his arm taken away from him.] But some mutter, and ask, What fault was it of the Jews, if it was necessary that the sayings of Esaias should be fulfilled? We answer, that God, foreseeing the future, predicted by the Prophet the unbelief of the Jews, but did not cause it. God does not compel men to sin, because He knows they will sin. He foreknows their sins, not His own. The Jews committed the sin, which He who knows all things foretold they would commit.

(Tr. liii. 5) But what follows involved a deeper question: Therefore they could not believe, because that Esaias said again, He hath blinded their eyes, and hardened their hearts, that they should not see with their eyes, nor understand with their heart, and be converted, and I should heal them. That they should not believe; but if so, what sin is there in a man doing what he cannot help doing? And what is a graver point still, the cause is assigned to God; since He it is who blinded their eyes, and hardened their heart. This is not said to be the devil's doing, but God's. Yet if any ask why they could not believe, I answer, Because they would not. For as it is to the praise of the Divine will that God cannot deny Himself, so is it the fault of the human will that they could not believe.

(Tr. liii. 5) But the Prophet, you say, mentions another cause, not their will; viz. that God had blinded their eyes, and hardened their heart. But I answer, that they well deserved this. For God hardens and blinds a man, by forsaking and not supporting him; and this He may by a secret sentence, by an unjust one He cannot.

(Tr. liii. 11) And be converted, and I should heal them. Is not to be understood here, from the beginning of the sentence—that they should not see with their eyes, nor understand with their hearts, nor be converted; conversion being the free gift of God? ord, shall we suppose that a heavenly remedy is meant; whereby those who wished to establish their own righteousness, were so far deserted and blinded, as to stumble on the stumbling stone, till, with confusion of face, they humbled themselves, and sought not their own righteousness which puffeth up the proud, but God's righteousness, which justifieth the ungodly. For many of those who put Christ to death, were afterward troubled with a sense of their guilt; which led to their believing in Him. (c. 12). These things said Esaias, when he saw His glory, and spake of Him. He saw Him not really, but figuratively, in prophetic vision. Be not deceived by those who say that the Father is invisible, the Son visible, making the Son a creature. For in the form of God, in which He is equal to the Father, the Son also is invisible; though He took upon Him the form of a servant, that He might be seen by men. Before His incarnation too, He made Himself visible at times to human eyes; but visible through the medium of created matter, not visible as He is.
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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