2 Corinthians 7:9

7:9 Now I rejoice, not because you were made sad, but because you were made sad to the point of repentance. For you were made sad as God intended, so that you were not harmed in any way by us.

2 Corinthians 13:4

13:4 For indeed he was crucified by reason of weakness, but he lives because of God’s power. For we also are weak in him, but we will live together with him, because of God’s power toward you.