Matthew 18:21

Then Peter having come to him, he said, Lord, how often will my brother sin against me, and I forgive him? Until seven times?

Luke 17:3-4

Take heed to yourselves. And if thy brother should sin against thee, rebuke him, and if he repents, forgive him.

Matthew 18:15

But if thy brother should sin against thee, go and reprove him between thee and him alone. If he should hear thee, thou have 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
But if thy brother should sin against thee, go and reprove him between thee and him alone. If he should hear thee, thou have gained thy brother.
Luke 17:3
Take heed to yourselves. And if thy brother should sin against thee, rebuke him, and if he repents, forgive him.