Matthew 18:21

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

Luke 17:3-4

Take heed to yourselves. If your brother trespasses against you, rebuke him. And if he repents, forgive him.

Matthew 18:15

But if your brother shall trespass against you, go and tell him his fault between you and him alone. If he hears you, you have gained your 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 your brother shall trespass against you, go and tell him his fault between you and him alone. If he hears you, you have gained your brother.
Luke 17:3
Take heed to yourselves. If your brother trespasses against you, rebuke him. And if he repents, forgive him.