Verses 1-6: Paul’s Vision and Boasting. Paul introduces a man caught up to the third heaven, likely referring to himself, and explains his reluctance to boast except in his weaknesses.
Verses 7-10: The Thorn in the Flesh and God’s Grace. Paul describes a persistent affliction given to keep him humble and recounts his prayers for relief, receiving instead God’s promise that His grace is sufficient and strength is perfected in weakness.
Verses 11-13: Defense of Apostleship. Paul addresses criticisms, asserting his credentials as an apostle through signs, wonders, and mighty deeds, and notes his unwillingness to be a financial burden.
Verses 14-21: Paul’s Concern for the Corinthians. Paul expresses his readiness to visit the Corinthians again, emphasizing his sacrificial love and fear of finding them in sin and discord, urging repentance and spiritual vigilance.