Matthew 18:21

Then Peter, having come to him, said, Lord, how often shall my brother sin against me, and I let him go? Till seven times?

Luke 17:3-4

Attend to yourselves: and if thy brother sin against thee, censure him; and if he should repent, let him go.

Matthew 18:15

And if thy brother sin against thee, retire, and refute him between thee and him alone; if he hear thee, thou hast gained 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 sin against thee, retire, and refute him between thee and him alone; if he hear thee, thou hast gained thy brother.
Luke 17:3
Attend to yourselves: and if thy brother sin against thee, censure him; and if he should repent, let him go.