2 Corinthians 2:3

2:3 And I wrote this very thing to you, so that when I came I would not have sadness from those who ought to make me rejoice, since I am confident in you all that my joy would be yours.

2 Corinthians 2:7

2:7 so that now instead you should rather forgive and comfort him. This will keep him from being overwhelmed by excessive grief to the point of despair.