Cross reference
Matthew 18:21
21 Then Peter having come near to him, said, `Sir, how often shall my brother sin against me, and I forgive him -- till seven times?'
Luke 17:3-4
3 `Take heed to yourselves, and, if thy brother may sin in regard to thee, rebuke him, and if he may reform, forgive him,
4 and if seven times in the day he may sin against thee, and seven times in the day may turn back to thee, saying, I reform; thou shalt forgive him.'
Matthew 18:15
15 `And if thy brother may sin against thee, go and show him his fault between thee and him alone, if he may hear thee, thou didst gain thy brother;