2 Corinthians 12:9-12

9But he said to me, “My grace is sufficient for you, for my power is made perfect in weakness.” Therefore I will boast all the more gladly about my weaknesses, so that Christ’s power may rest on me.

10That is why, for Christ’s sake, I delight in weaknesses, in insults, in hardships, in persecutions, in difficulties. For when I am weak, then I am strong.

Paul’s Concern for the Corinthians 11I have made a fool of myself, but you drove me to it. I ought to have been commended by you, for I am not in the least inferior to the “super-apostles,” Or the most eminent apostles even though I am nothing. 12I persevered in demonstrating among you the marks of a true apostle, including signs, wonders and miracles.