Matthew 5:22 NIV

1 John 2:9 NIV
Anyone who claims to be in the light but hates a brother or sister is still in the darkness.

1 John 3:14-15 NIV
We know that we have passed from death to life, because we love each other. Anyone who does not love remains in death. Anyone who hates a brother or sister is a murderer, and you know that no murderer has eternal life residing in him.

1 John 4:20-21 NIV
Whoever claims to love God yet hates a brother or sister is a liar. For whoever does not love their brother and sister, whom they have seen, cannot love God, whom they have not seen. And he has given us this command: Anyone who loves God must also love their brother and sister.

Ephesians 4:26-27 NIV
“In your anger do not sin” : Do not let the sun go down while you are still angry, and do not give the devil a foothold.

Ephesians 4:31-32 NIV
Get rid of all bitterness, rage and anger, brawling and slander, along with every form of malice. Be kind and compassionate to one another, forgiving each other, just as in Christ God forgave you.

James 3:6 NIV
The tongue also is a fire, a world of evil among the parts of the body. It corrupts the whole body, sets the whole course of one’s life on fire, and is itself set on fire by hell.