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Translation
King James Version
For which cause we faint not; but though our outward man perish, yet the inward man is renewed day by day.
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KJV (with Strong's)
For which cause G1352 we faint G1573 not G3756; but G235 though G1499 our G2257 outward G1854 man G444 perish G1311, yet G235 the inward G2081 man is renewed G341 day G2250 by G2532 day G2250.
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Complete Jewish Bible
This is why we do not lose courage. Though our outer self is heading for decay, our inner self is being renewed daily.
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Berean Standard Bible
Therefore we do not lose heart. Though our outer self is wasting away, yet our inner self is being renewed day by day.
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American Standard Version
Wherefore we faint not; but though our outward man is decaying, yet our inward man is renewed day by day.
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World English Bible Messianic
Therefore we don’t faint, but though our outward man is decaying, yet our inward man is renewed day by day.
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Geneva Bible (1599)
Therefore we faint not, but though our outward man perish, yet the inward man is renewed daily.
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Young's Literal Translation
wherefore, we faint not, but if also our outward man doth decay, yet the inward is renewed day by day;
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SUMMARY

Second Corinthians 4:16 offers profound encouragement to believers, asserting that despite the inevitable physical decline and decay of the "outward man," the "inward man" is continuously invigorated and renewed by God's grace on a daily basis. This verse serves as a powerful theological anchor, explaining why believers, even amidst intense suffering and hardship, do not lose heart but instead find their spiritual vitality deepening as their physical bodies weaken. It highlights the enduring power of God at work within the believer, transcending temporal limitations and pointing toward an eternal hope.

CONTEXT

  • Literary Context: This verse is strategically placed within a larger section of 2 Corinthians (chapters 3-5) where Paul expounds on the nature of his apostolic ministry and the suffering that accompanies it, contrasting the fading glory of the Old Covenant with the surpassing glory of the New Covenant in Christ. Specifically, 2 Corinthians 4:7-15 immediately precedes verse 16, describing believers as "earthen vessels" carrying the "treasure" of the gospel. Paul details the relentless pressures and persecutions he and his co-workers endure—being afflicted, perplexed, persecuted, and struck down—yet remarkably, they are "not crushed, not driven to despair, not forsaken, not destroyed." The suffering they experience is not an end in itself but serves to manifest the life of Jesus in their mortal bodies. Verse 16, therefore, acts as a theological explanation for this extraordinary endurance, revealing the spiritual dynamic that enables them to persist without fainting.
  • Historical & Cultural Context: Paul's ministry was characterized by immense physical hardship, persecution, and constant travel, as evidenced throughout his epistles (e.g., 2 Corinthians 11:23-27). The early Christian community, particularly in places like Corinth, faced significant social pressure, opposition, and even physical danger for their faith. The concept of the body's decay was a universal human experience, but for many in the Greco-Roman world, the physical body (soma) was often viewed with disdain or as a prison for the soul. Paul, however, presents a nuanced view: while acknowledging the body's temporal limitations and eventual decay, he emphasizes its role as a vessel for God's glory and the promise of future resurrection. The "day by day" renewal would have resonated with a people constantly facing new challenges and needing daily strength.
  • Key Themes: Second Corinthians 4 is rich with several interconnected themes. The primary theme is the paradox of divine power in human weakness, where God's glory is most brilliantly displayed through the fragility and suffering of His servants, as articulated in 2 Corinthians 4:7. This leads to the theme of endurance and perseverance in suffering, as believers are called to press on despite afflictions, knowing that their trials serve a greater purpose. Central to verse 16 is the contrast between the temporal and the eternal, and the continuous spiritual renewal of the inner person. Paul consistently directs the Corinthians' focus from the seen and perishable to the unseen and eternal, culminating in 2 Corinthians 4:18, where he states, "we look not at the things which are seen, but at the things which are not seen: for the things which are seen are temporal; but the things which are not seen are eternal." This verse provides the theological grounding for such an eternal perspective.

EXPOSITION AND ANALYSIS

Key Word Analysis

  • man (Greek, ánthrōpos', G444): This term, meaning a human being, is used here to distinguish between two aspects of the self: the "outward man" and the "inward man." The "outward man" refers to the physical, mortal body, subject to the natural processes of aging, decay, and death. The "inward man," in contrast, denotes the spiritual, inner being—the soul, spirit, or true self that is in relationship with God. Paul uses this single term to highlight the profound dichotomy and simultaneous reality of human existence, where the physical self is temporal while the spiritual self possesses an eternal dimension.
  • perish (Greek, diaphtheírō', G1311): Derived from a root meaning "to rot thoroughly," this word signifies decay, corruption, or ruin. In the context of the "outward man," it vividly describes the natural process of physical deterioration, aging, and eventual death. It implies a gradual wearing away or breaking down, not necessarily a sudden destruction, but a progressive decline. This term starkly contrasts with the state of the "inward man," emphasizing the temporary nature of the physical body.
  • renewed (Greek, anakainóō', G341): This verb means "to renovate" or "to make new again." It implies a transformation or restoration to a fresh, vigorous state. Crucially, the Greek verb is in the present passive indicative, signifying an ongoing, continuous action performed upon the "inward man" by an external agent (God/Holy Spirit). This is not a one-time event but a daily, progressive process of spiritual revitalization, strengthening, and transformation, counteracting the decay of the physical body.

Verse Breakdown

  • "For which cause we faint not": This opening clause directly links back to the preceding verses (2 Corinthians 4:7-15), where Paul describes the severe hardships and persecutions he and other believers endure. The "cause" refers to the divine power at work within them, the life of Jesus being manifested through their suffering, and the eternal glory that awaits. Despite the immense pressure and physical toll, Paul asserts that they do not "faint" or lose heart (from G1573 ekkakéō, to be weak or fail in heart), because of the profound spiritual reality sustaining them.
  • "but though our outward man perish": This phrase introduces a stark concession and acknowledges a universal truth: the physical body ("outward man," referring to the mortal, visible self) is subject to decay, aging, and eventual death ("perish," G1311 diaphtheírō). Paul does not deny the reality of physical decline and suffering; indeed, he has just detailed it. This clause sets up the profound contrast that follows, highlighting the vulnerability and impermanence of the physical self.
  • "yet the inward [man] is renewed day by day": This is the triumphant counterpoint. Despite the physical decay, the spiritual self ("inward man," the soul or spirit, the core of one's being in Christ) is continually invigorated, refreshed, and made new ("renewed," G341 anakainóō). The phrase "day by day" (G2250 hēméra repeated) emphasizes the ongoing, continuous, and progressive nature of this spiritual renewal. It is not a past event or a future hope only, but a present reality, a daily work of God's grace and the Holy Spirit within the believer, providing strength and vitality even as the physical body weakens.

Literary Devices

The dominant literary device in 2 Corinthians 4:16 is Antithesis (or Contrast), which is central to Paul's theological argument. He masterfully juxtaposes the "outward man" with the "inward man," and the concept of "perishing" with "being renewed." This creates a powerful tension that resolves in the triumph of the spiritual over the physical, the eternal over the temporal. Closely related is Paradox, as the verse presents the seemingly contradictory idea that strength and renewal can occur simultaneously with physical decay. This paradox highlights the supernatural nature of God's work in believers, where weakness becomes a conduit for divine power. Furthermore, the phrases "outward man" and "inward man" function as Metaphors, representing the physical body and the spiritual essence of a person, respectively. The repetition of "day by day" serves as Emphasis, underscoring the continuous and persistent nature of God's work of renewal.

THEOLOGICAL AND THEMATIC CONNECTIONS

This verse articulates a profound truth about the Christian life: while our physical bodies are subject to the processes of decay and death (a consequence of the fall), our spiritual selves are actively and continually being transformed and strengthened by God. This daily renewal is not merely a psychological coping mechanism but a supernatural work of the Holy Spirit, enabling believers to maintain hope and perseverance amidst suffering. It underscores the Christian understanding of sanctification as an ongoing process, where the believer is progressively conformed to the image of Christ, even as their earthly tent is being dismantled. This renewal also speaks to the eschatological tension of the "already and not yet"—the new creation has already begun in the believer, yet its full realization awaits the resurrection.

REFLECTION AND APPLICATION

Second Corinthians 4:16 offers immense comfort and practical guidance for every believer, especially those grappling with the realities of aging, illness, physical limitations, or the general wear and tear of life's trials. It liberates us from the tyranny of physical perfection and reminds us that true vitality and strength are found not in our outward appearance or physical capabilities, but in the continuous, supernatural work of God within our inner being. This verse calls us to shift our focus from the perishable to the eternal, to invest in the cultivation of our "inward man" through spiritual disciplines such as prayer, meditation on Scripture, worship, and fellowship. It encourages us to embrace our weaknesses as opportunities for God's power to be made manifest, knowing that even as our bodies decline, our spirits can flourish and grow more deeply rooted in Christ, preparing us for the eternal glory that awaits.

Questions for Reflection

  • In what ways do you experience the "perishing" of your "outward man" (e.g., aging, fatigue, illness)? How does this verse reframe your perspective on these experiences?
  • What practices or disciplines do you engage in that contribute to the "day by day" renewal of your "inward man"?
  • How does focusing on the spiritual renewal described in this verse help you to "faint not" in the face of life's challenges and sufferings?
  • How might you intentionally cultivate an environment in your daily life that fosters this spiritual renewal?

FAQ

What does Paul mean by "outward man" and "inward man"?

Answer: Paul uses these terms to distinguish between two aspects of the human person. The "outward man" refers to the physical body, our mortal, visible self that is subject to the natural processes of decay, aging, and death. It is the part of us that interacts with the temporal world. The "inward man," in contrast, refers to the spiritual self, the soul or spirit, the inner core of a person's being that is renewed and transformed by God. This "inward man" is the true self that is in relationship with Christ and is being conformed to His image. This distinction is crucial for understanding Paul's theology of suffering and hope, as seen throughout 2 Corinthians 4.

CHRIST-CENTERED FULFILLMENT

Second Corinthians 4:16 finds its ultimate fulfillment and meaning in the person and work of Jesus Christ. The "renewal day by day" of the "inward man" is not a self-generated process but is entirely dependent on the life-giving power of Christ, who conquered death and decay through His resurrection. It is because believers are "in Christ" that they participate in His resurrection life, which actively counteracts the perishing of the physical body. Just as Christ was raised from the dead, so too is the believer's spirit continually vivified and transformed by the Holy Spirit, who indwells them as a down payment of their future glory (Ephesians 1:13-14). This daily renewal is a foretaste of the complete redemption of both body and spirit that will occur at Christ's return, when our perishable bodies will be transformed into imperishable, glorious bodies, mirroring His own resurrection body (1 Corinthians 15:53-54). Thus, the spiritual vitality experienced by the "inward man" is a direct outflow of Christ's victory over sin and death, sustaining believers in hope and empowering them to live for His glory even amidst the realities of a fallen world.

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Commentary on 2 Corinthians 4 verses 8–18

I. II. Main points1. 2. Sub-points

In these verses the apostle gives an account of their courage and patience under all their sufferings, where observe,

I. How their sufferings, and patience under them, are declared, Co2 4:8-12. The apostles were great sufferers; therein they followed their Master: Christ had told them that in the world they should have tribulation, and so they had; yet they met with wonderful support, great relief, and many allays of their sorrows. "We are," says the apostle, "troubled on every side, afflicted many ways, and we meet with almost all sorts of troubles; yet not distressed, Co2 4:8. We are not hedged in nor cooped up, because we can see help in God, and help from God, and have liberty of access to God." Again, "We are perplexed, often uncertain, and in doubt what will become of us, and not always without anxiety in our minds on this account; yet not in despair (Co2 4:8), even in our greatest perplexities, knowing that God is able to support us, and to deliver us, and in him we always place our trust and hope." Again, "We are persecuted by men, pursued with hatred and violence from place to place, as men not worthy to live; yet not forsaken of God," Co2 4:9. Good men may be sometimes forsaken of their friends, as well as persecuted by their enemies; but God will never leave them nor forsake them. Again, "We are sometimes dejected, or cast down; the enemy may in a great measure prevail, and our spirits begin to fail us; there may be fears within, as well as fightings without; yet we are not destroyed," Co2 4:9. Still they were preserved, and kept their heads above water. Note, Whatever condition the children of God may be in, in this world, they have a "but not" to comfort themselves with; their case sometimes is bad, yea very bad, but not so bad as it might be. The apostle speaks of their sufferings as constant, and as a counterpart of the sufferings of Christ, Co2 4:10. The sufferings of Christ were, after a sort, re-acted in the sufferings of Christians; thus did they bear about the dying of the Lord Jesus in their body, setting before the world the great example of a suffering Christ, that the life of Jesus might also be made manifest, that is, that people might see the power of Christ's resurrection, and the efficacy of grace in and from the living Jesus, manifested in and towards them, who did yet live, though they were always delivered to death (Co2 4:11), and though death worked in them (Co2 4:12), they being exposed to death, and ready to be swallowed up by death continually. So great were the sufferings of the apostles that, in comparison with them, other Christians were, even at this time, in prosperous circumstances: Death worketh in us; but life in you, Co2 4:12.

II. What it was that kept them from sinking and fainting under their sufferings, Co2 4:13-18. Whatever the burdens and troubles of good men may be, they have cause enough not to faint.

1.Faith kept them from fainting: We have the same spirit of faith (Co2 4:13), that faith which is of the operation of the Spirit; the same faith by which the saints of old did and suffered such great things. Note, The grace of faith is a sovereign cordial, and an effectual antidote against fainting-fits in troublous times. The spirit of faith will go far to bear up the spirit of a man under his infirmities; and as the apostle had David's example to imitate, who said (Psa 116:10), I have believed, and therefore have I spoken, so he leaves us his example to imitate: We also believe, says he, and therefore speak. Note, As we receive help and encouragement from the good words and examples of others, so we should be careful to give a good example to others.

2.Hope of the resurrection kept them from sinking, Co2 4:14. They knew that Christ was raised, and that his resurrection was an earnest and assurance of theirs. This he had treated of largely in his former epistle to these Corinthians, Co1 15:1. And therefore their hope was firm, being well grounded, that he who raised up Christ the head will also raise up all his members. Note, The hope of the resurrection will encourage us in a suffering day, and set us above the fear of death; for what reason has a good Christian to fear death, that dies in hope of a joyful resurrection?

3.The consideration of the glory of God and the benefit of the church, by means of their sufferings, kept them from fainting, Co2 4:15. Their sufferings were for the church's advantage (Co2 1:6), and thus did redound to God's glory. For, when the church is edified, then God is glorified; and we may well afford to bear sufferings patiently and cheerfully when we see others are the better for them - if they are instructed and edified, if they are confirmed and comforted. Note, The sufferings of Christ's ministers, as well as their preaching and conversation, are intended for the good of the church and the glory of God.

4.The thoughts of the advantage their souls would reap by the sufferings of their bodies kept them from fainting: Though our outward man perish, our inward man is renewed day by day, Co2 4:16. Here note, (1.) We have every one of us an outward and an inward man, a body and a soul. (2.) If the outward man perish, there is no remedy, it must and will be so, it was made to perish. (3.) It is our happiness if the decays of the outward man do contribute to the renewing of the inward man, if afflictions outwardly are gain to us inwardly, if when the body is sick, and weak, and perishing, the soul is vigorous and prosperous. The best of men have need of further renewing of the inward man, even day by day. Where the good work is begun there is more work to be done, for carrying it forward. And as in wicked men things grow every day worse and worse, so in godly men they grow better and better.

5.The prospect of eternal life and happiness kept them from fainting, and was a mighty support and comfort. As to this observe, (1.) The apostle and his fellow-sufferers saw their afflictions working towards heaven, and that they would end at last (Co2 4:17), whereupon they weighed things aright in the balance of the sanctuary; they did as it were put the heavenly glory in one scale and their earthly sufferings in the other; and, pondering things in their thoughts, they found afflictions to be light, and the glory of heaven to be a far more exceeding weight. That which sense was ready to pronounce heavy and long, grievous and tedious, faith perceived to be light and short, and but for a moment. On the other hand, the worth and weight of the crown of glory, as they are exceedingly great in themselves, so they are esteemed to be by the believing soul - far exceeding all his expressions and thoughts; and it will be a special support in our sufferings when we can perceive them appointed as the way and preparing us for the enjoyment of the future glory. (2.) Their faith enabled them to make this right judgment of things: We look not at the things which are seen, but at the things which are not seen, Co2 4:18. It is by faith that we see God, who is invisible (Heb 11:27), and by this we look to an unseen heaven and hell, and faith is the evidence of things not seen. Note, [1.] There are unseen things, as well as things that are seen. [2.] There is this vast difference between them: unseen things are eternal, seen things but temporal, or temporary only. [3.] By faith we not only discern these things, and the great difference between them, but by this also we take our aim at unseen things, and chiefly regard them, and make it our end and scope, not to escape present evils, and obtain present good, both of which are temporal and transitory, but to escape future evil and obtain future good things, which though unseen, are real, and certain, and eternal; and faith is the substance of things hoped for, as well as the evidence of things not seen, Heb 11:1.

Matthew Henry (1662–1714) — Commentary on the Whole Bible. This section covers verses 8–18. Public domain.
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TertullianAD 220
On the Resurrection of the Flesh
For although it is called "a vessel" by the apostle, such as he enjoins to be treated "with honour," it is yet designated by the same apostle as "the outward man," -that clay, of course, which at the first was inscribed with the title of a man, not of a cup or a sword, or any paltry vessel.
TertullianAD 220
Against Marcion Book V
He says, too, that "our outward man perishes," not meaning by an eternal perdition after death, but by labours and sufferings, in reference to which he previously said, "For which cause we will not faint." Now, when he adds of "the inward man" also, that it "is renewed day by day," he demonstrates both issues here-the wasting away of the body by the wear and tear of its trials, and the renewal of the soul by its contemplation of the promises.
TertullianAD 220
Against Marcion Book V
Now of what life of Christ does he here speak? Of that which we are now living? Then how is it, that in the words which follow he exhorts us not to the things which are seen and are temporal, but to those which are not seen and are eternal -in other words, not to the present, but to the future? But if it be of the future life of Christ that he speaks, intimating that it is to be made manifest in our body, then he has clearly predicted the resurrection of the flesh.
TertullianAD 220
On the Resurrection of the Flesh
Well, then, heresies finding that the apostle had mentioned two "men"-"the inner man," that is, the soul, and "the outward man," that is, the flesh-awarded salvation to the soul or inward man, and destruction to the flesh or outward man, because it is written (in the Epistle) to the Corinthians: "Though our outward man decayeth, yet the inward man is renewed day by day." Now, neither the soul by itself alone is "man" (it was subsequently implanted in the clayey mould to which the name man had been already given), nor is the flesh without the soul "man ": for after the exile of the soul from it, it has the title of corpse.
TertullianAD 220
Against Marcion Book V
He says, too, that "our outward man perishes," not meaning by an eternal perdition after death, but by labours and sufferings, in reference to which he previously said, "For which cause we will not faint.
Basil of CaesareaAD 379
HOMILY 21 ON DETACHMENT
A man who has his own best interest at heart will therefore be especially concerned for his soul and will spare no pains to keep it stainless and true to itself. If his body is wasted by hunger or by its struggles with heat and cold, if it is afflicted by illness or suffers violence from anyone, he will pay little attention to it, and, echoing the words of Paul, he will say in each of his adversities: “but though our outward man is corrupted, yet the inward man is renewed day by day.” … But, if a man would also have mercy upon his body as being a possession necessary to the soul and its cooperator in carrying on the life on earth, he will occupy himself with its needs only so far as is required to preserve it and keep it vigorous by moderate care in the service of the soul.
AmbrosiasterAD 384
COMMENTARY ON PAUL’S EPISTLES
In times of persecution the soul advances. Every day it adds something more to its experience of faith. Even the damage done to the body becomes conducive to immortality through the merit of the soul.
John ChrysostomAD 407
Homily 9 on 2 Corinthians
"Wherefore we faint not; but though our outward man is decaying, yet the inward man is renewed day by day."

How does it decay? Being scourged, being persecuted, suffering ten thousand extremities. "Yet the inward man is renewed day by day." How is it renewed? By faith, by hope, by a forward will, finally, by braving those extremities. For in proportion as the body suffers ten thousand things, in the like proportion hath the soul goodlier hopes and becometh brighter, like gold refined in the fire more and more. And see how he brings to nothing the sorrows of this present life.
Augustine of HippoAD 430
THE WAY OF LIFE OF THE CATHOLIC CHURCH 1.35.80
The renewal of humankind, begun in the sacred bath of baptism, proceeds gradually and is accomplished more quickly in some individuals and more slowly in others. But many are in progress toward the new life if we consider the matter carefully and without prejudice. As the apostle says: “Even though our outer man is decaying, yet our inner man is being renewed day by day.” He says that the inner man is renewed day by day in order that he may become perfect, but you would have him begin with perfection. Would that you really did desire this! But you seek to lead the unwary astray rather than to uplift the weak.
Desert FathersAD 500
The Desert Fathers, Sayings of the Early Christian Monks
Syncletica also said, ‘If you are troubled by illness, do not be miserable, even if you are so ill that you cannot stand to pray or use your voice to say psalms. We need these tribulations to destroy the desires of our body; they serve the same purpose as fasting and austerity. If your senses are dulled by illness, you do not need to fast. In the same way that a powerful medicine cures an illness, so illness itself is a medicine to cure passion. A great deal is gained spiritually by bearing illness quietly and giving thanks to God. If we go blind, let us not be upset. We have lost one means to excellence, yet we can contemplate the glory of God with the inward eyes of the soul. If we go deaf let us remember that we shall no longer hear a lot of silly talk. If suffering has weakened the strength of your hands, you still have inner strength against the enemy’s attacks. If the whole body is afflicted by disease, your spiritual health is still increasing.’
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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