'Weaknesses' in the Bible

On behalf of such an individual I will boast, but on my own behalf I will not boast, except about my weaknesses.

But he said to me, "My grace is enough for you, for my power is made perfect in weakness." So then, I will boast most gladly about my weaknesses, so that the power of Christ may reside in me.

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.