1 John 3:15
Whoever hates his brother is a murderer, and you know that no murderer can have eternal life remain in his heart.
Matthew 18:15
"But if your brother wrongs you go to him and show him his fault while you are alone with him. If he listens to you, you have won back your brother.
Ephesians 4:26
Be angry, but do not sin. The sun must not go down upon your anger;
Ephesians 4:31
You must give up all bitterness, rage, anger, and loud, abusive talk, and all spite.
1 John 2:9
Whoever says, "I am in the light," and yet hates his brother, is still in darkness.
1 John 2:11
But whoever hates his brother is in darkness, and is living in darkness, and he does not know where he is going, for the darkness has blinded his eyes.