2 Corinthians 12:10

12:10 Therefore I am content with weaknesses, with insults, with troubles, with persecutions and difficulties for the sake of Christ, for whenever I am weak, then I am strong.

2 Corinthians 12:16

12:16 But be that as it may, I have not burdened you. Yet because I was a crafty person, I took you in by deceit!