James 1:19
You people [already] know this [or, "you should know this"], my dearly loved brothers. However, every person should be quick to listen, slow to talk and slow in becoming angry.
Matthew 5:44-45
But I tell you, love your enemies and pray for those who persecute you,
Matthew 18:21-22
Then Peter came and said to Jesus, "Lord, how often must I forgive my brother when he sins against me? As many as seven times?"
Romans 12:18-21
If it is at all possible, as far as your part is concerned, live peacefully with all people.
Ephesians 4:32-1
and be kind and compassionate toward one another, forgiving each other, just as God also forgave you [because of your fellowship] in Christ.
Colossians 3:12-13
So, as God's elect [i.e., His people], holy and dearly loved [by Him], clothe yourselves with a heart of compassion, kindness, humility, gentleness and patience.