2 Corinthians 2:1-11 (NRSV)
So I made up my mind not to make you another painful visit.
For if I cause you pain, who is there to make me glad but the one whom I have pained?
And I wrote as I did, so that when I came, I might not suffer pain from those who should have made me rejoice; for I am confident about all of you, that my joy would be the joy of all of you.
For I wrote you out of much distress and anguish of heart and with many tears, not to cause you pain, but to let you know the abundant love that I have for you.
But if anyone has caused pain, he has caused it not to me, but to some extent--not to exaggerate it--to all of you.
This punishment by the majority is enough for such a person;
so now instead you should forgive and console him, so that he may not be overwhelmed by excessive sorrow.
So I urge you to reaffirm your love for him.
I wrote for this reason: to test you and to know whether you are obedient in everything.
Anyone whom you forgive, I also forgive. What I have forgiven, if I have forgiven anything, has been for your sake in the presence of Christ.
And we do this so that we may not be outwitted by Satan; for we are not ignorant of his designs.