2 Corinthians 2:5

2:5 But if anyone has caused sadness, he has not saddened me alone, but to some extent (not to exaggerate) he has saddened all of you as well.

2 Corinthians 8:6

8:6 Thus we urged Titus that, just as he had previously begun this work, so also he should complete this act of kindness for you.