2 Corinthians 1:6

1:6 But if we are afflicted, it is for your comfort and salvation; if we are comforted, it is for your comfort that you experience in your patient endurance of the same sufferings that we also suffer.

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.