Put away bitterness
"Get rid of all bitterness, rage and anger, brawling and slander, along with every form of malice" (Ephesians 4:31).
Stop biting and devouring each other
"If you keep on biting and devouring each other, watch out or you will be destroyed by each other" (Galatians 5:15).
Let no bitter root grow
"See to it that no one misses the grace of God and that no bitter root grows up to cause trouble and defile many" (Hebrews 12:15).
Hatred is forbidden
"‘Do not hate your brother in your heart. Rebuke your neighbor frankly so you will not share in his guilt" (Leviticus 19:17).
One who hates lives in darkness
"Anyone who claims to be in the light but hates his brother is still in the darkness. Whoever loves his brother lives in the light, and there is nothing in him to make him stumble. 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" (1 John 2:9-11).
Hatred is murder
"Anyone who hates his brother is a murderer, and you know that no murderer has eternal life in him" (1 John 3:15).