Matthew 18:21

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

'Take heed to yourselves, and, if thy brother may sin in regard to thee, rebuke him, and if he may reform, forgive him,

Matthew 18:15

'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;

Treasury of Scripture Knowledge

Summary

Then came Peter to him, and said, Lord, how oft shall my brother sin against me, and I forgive him? till seven times?

Bible References

Till

Matthew 18:15
'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;
Luke 17:3
'Take heed to yourselves, and, if thy brother may sin in regard to thee, rebuke him, and if he may reform, forgive him,