Luke 17:3-4 NIV
3 So watch yourselves. “If your brother or sister sins against you, rebuke them; and if they repent, forgive them.
4 Even if they sin against you seven times in a day and seven times come back to you saying ‘I repent,’ you must forgive them.”
Ephesians 4:31-32 NIV
31 Get rid of all bitterness, rage and anger, brawling and slander, along with every form of malice.
32 Be kind and compassionate to one another, forgiving each other, just as in Christ God forgave you.