Matthew 18:21

At this point Peter came to Him with the question, "Master, how often shall my brother act wrongly towards me and I forgive him? seven times?"

Luke 17:3-4

Be on your guard. "If your brother acts wrongly, reprove him; and if he is sorry, forgive him;

Matthew 18:15

"If your brother acts wrongly towards you, go and point out his fault to him when only you and he are there. If he listens to 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
"If your brother acts wrongly towards you, go and point out his fault to him when only you and he are there. If he listens to you, you have gained your brother.
Luke 17:3
Be on your guard. "If your brother acts wrongly, reprove him; and if he is sorry, forgive him;