James 1:19,20
19 My dear brothers, take note of this: Everyone should be quick to listen, slow to speak and slow to become angry, 20 for man's anger does not bring about the righteous life that God desires.
Ephesians 4:29-32
29 Do not let any unwholesome talk come out of your mouths, but only what is helpful for building others up according to their needs, that it may benefit those who listen. 30 And do not grieve the Holy Spirit of God, with whom you were sealed for the day of redemption. 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.
Colossians 3:12-14
12 Therefore, as God's chosen people, holy and dearly loved, clothe yourselves with compassion, kindness, humility, gentleness and patience. 13 Bear with each other and forgive whatever grievances you may have against one another. Forgive as the Lord forgave you. 14 And over all these virtues put on love, which binds them all together in perfect unity.
1 John 2:9-11
9 Anyone who claims to be in the light but hates his brother is still in the darkness. 10 Whoever loves his brother lives in the light, and there is nothing in him to make him stumble. 11 But whoever hates his brother is in the darkness and walks around in the darkness; he does not know where he is going, because the darkness has blinded him.