Proverbs 15:1 "A soft answer turneth away wrath: but grievous words stir up anger."
Proverbs 25:15 "By long forbearing is a prince persuaded, and a soft tongue breaketh the bone."
Romans 12:19 "Dearly beloved, avenge not yourselves, but rather give place unto wrath: for it is written, Vengeance is mine; I will repay, saith the Lord."
Ephesians 4:26-27 "Be ye angry, and sin not: let not the sun go down upon your wrath: 27 Neither give place to the devil."
Ephesians 4:31 "Let all bitterness, and wrath, and anger, and clamour, and evil speaking, be put away from you, with all malice:"
James 1:19-20 "Wherefore, my beloved brethren, let every man be swift to hear, slow to speak, slow to wrath: 20 For the wrath of man worketh not the righteousness of God."