Matthew 5:22
but I say unto you, that whosoever is angry with his brother without a cause, shall be punish'd by the tribunal: and whosoever shall say to his brother, Raca, shall be punish'd by the Sanhedrim: but whosoever shall say, thou fool, shall be punish'd by the fire of Gehenna.
Ephesians 4:31
banish all resentment and indignation, anger, vehemence, detraction, and every thing like malice.
Ephesians 6:4
and you fathers don't exasperate your children: but instruct them in the discipline and institution of the Lord.
James 1:19-20
Wherefore, my dear brethren, let every one be eager to hear, averse to contradiction, and deaf to passion.