Paul's most personal letter — defending ministry, boasting in weakness
And he said unto me, My grace is sufficient for thee: for my strength is made perfect in weakness. Most gladly therefore will I rather glory in my infirmities, that the power of Christ may rest upon me.
2 Corinthians 12:92 Corinthians is Paul's most emotionally raw letter. After 1 Corinthians, the situation in Corinth worsened. False apostles infiltrated the church, questioning Paul's authority and character. Some accused him of being unimpressive in person, weak in speech, possibly dishonest with money. A faction openly opposed him. Paul made a 'painful visit' to Corinth that ended badly. He wrote a severe letter (now lost) that grieved both him and the church. Then Titus brought good news: the majority had repented and recommitted to Paul. 2 Corinthians is Paul's response — part relief, part defense, part passionate plea.
The structure reflects the mixed situation. Chapters 1-7 are conciliatory: Paul defends his integrity, explains his changed travel plans, celebrates the Corinthians' repentance, and describes the glory of New Covenant ministry. Chapters 8-9 address the collection for the Jerusalem church — a practical test of their sincerity. Chapters 10-13 shift sharply: Paul confronts the false apostles with biting sarcasm and 'foolish boasting,' recounting his sufferings, his visions, and his thorn in the flesh. The letter swings between tenderness and severity, between joy and anguish.
The theological heart of the letter is Paul's theology of weakness. The false apostles boasted in their strength, eloquence, visions, and credentials. Paul boasts in his weaknesses — his sufferings, hardships, insults, and persecutions. 'When I am weak, then am I strong' (12:10). God's power is not demonstrated through human impressiveness but through human frailty. The treasure is in jars of clay so that the surpassing power belongs to God, not to us (4:7). This is not just a defensive strategy; it is the pattern of the Gospel itself. Christ saves through a cross, not a throne. Strength through weakness is the way God works.
2 chapters per day · Paul at his most vulnerable
'But we have this treasure in earthen vessels, that the excellency of the power may be of God, and not of us.' The treasure is the Gospel, the light of the knowledge of the glory of God in the face of Jesus Christ (4:6). The jars of clay are frail, weak, mortal human beings. The mismatch is deliberate. If God used impressive, powerful, eloquent people exclusively, observers might credit the messenger. But when the message comes through broken, suffering, ordinary vessels, the power is clearly not human. Paul's hardships are not obstacles to his ministry; they are the medium through which God's power is displayed. This is the inversion at the heart of Christianity: God's strength is perfected in our weakness.
'Therefore if any man be in Christ, he is a new creature: old things are passed away; behold, all things are become new.' Then Paul explains the logic of reconciliation. God was in Christ reconciling the world to himself, not counting their trespasses against them. He made Christ — who knew no sin — to be sin for us, so that we might become the righteousness of God in him. This is the great exchange: our sin for his righteousness. And believers are now ambassadors, carrying the message of reconciliation. The Gospel is not self-improvement. It is God doing for us what we could never do for ourselves — declaring sinners righteous on the basis of Christ's substitutionary death. We are reconciled; now we plead with others to be reconciled to God.
Paul recounts being caught up to the third heaven and hearing inexpressible things. But to keep him from becoming conceited, he was given 'a thorn in the flesh, a messenger of Satan to buffet me.' Scholars debate what the thorn was — chronic illness, spiritual attack, physical disability, ongoing opposition. Paul does not say. Three times he pleaded with the Lord to remove it. God's answer: 'My grace is sufficient for thee: for my strength is made perfect in weakness.' Paul's response: 'Most gladly therefore will I rather glory in my infirmities, that the power of Christ may rest upon me.' The thorn was not removed. Instead, Paul was given grace to endure it — and through it, to display God's power. Sometimes God's greater gift is not removing the affliction but sustaining us through it.
Paul contrasts the old covenant (the Law written on stone) with the new covenant (the Spirit writing on hearts). The old brought death; the new brings life. The old had glory — Moses' face shone so brightly the Israelites could not look at it — but that glory was fading. The new covenant has greater glory, a glory that does not fade. 'But we all, with open face beholding as in a glass the glory of the Lord, are changed into the same image from glory to glory, even as by the Spirit of the Lord' (3:18). Under the old covenant, only Moses saw God's glory, and it faded. Under the new covenant, every believer beholds Christ's glory and is transformed by it progressively. The ministry of the new covenant surpasses the old in every way.