Matthew 5:22
But I say to you: "Everyone who harbors malice against his brother, will have to answer to the court, and whoever speaks contemptuously to his brother, will have to answer to the supreme court; and whoever says to his brother, 'You cursed fool? will have to pay the penalty in the pit of torture.
Ephesians 4:31
You must remove all bitterness, rage, anger, loud threats, and insults, with all malice.
Ephesians 6:4
You parents, too, must stop exasperating your children, but continue to bring them up with the sort of education and counsel the Lord approves.
James 1:19-20
You must understand this, my dearly loved brothers. Everyone must be quick to hear, slow to speak, slow to get angry;