Matthieu 18:15
Moreover if thy brother shall trespass against thee, go and tell him his fault between thee and him alone: if he shall hear thee, thou hast gained thy brother.
Luc 17:3
Take heed to yourselves: If thy brother trespass against thee, rebuke him; and if he repent, forgive him.
Luc 17:4
And if he trespass against thee seven times in a day, and seven times in a day turn again to thee, saying, I repent; thou shalt forgive him.