Matthew 18:21

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

Luke 17:3-4

Take heed to yourselves; if your brother sins, reprove him; and if he changes his mind, forgive him;

Matthew 18:15

But if your brother sins against you, go and reprove him 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 sins against you, go and reprove him between you and him alone. If he hears you, you have gained your brother.
Luke 17:3
Take heed to yourselves; if your brother sins, reprove him; and if he changes his mind, forgive him;