Refrain from anger and turn from wrath; do not fret-it leads only to evil (Psalm 37:8).
A fool shows his annoyance at once, but a prudent man overlooks an insult (Proverbs 12:16).
Reckless words pierce like a sword, but the tongue of the wise brings healing (Proverbs 12:18).
A wise man fears the Lord and shuns evil, but a fool is hotheaded and reckless (Proverbs 14:16
A quick-tempered man does foolish things, and a crafty man is hated (Proverbs 14:17).
A patient man has great understanding, but a quick-tempered man displays folly (Proverbs 14:29).
A gentle answer turns away wrath, but a harsh word stirs up anger (Proverbs 15:1).
A hot-tempered man stirs up dissension, but a patient man calms a quarrel (Proverbs 15:18).
Better a patient man than a warrior, a man who controls his temper than one who takes a city (Proverbs 16:32).
A man of knowledge uses words with restraint, and a man of understanding is even-tempered (Proverbs 17:27).
It is to a man's honor to avoid strife, but every fool is quick to quarrel (Proverbs 20:3).
Do not say, "I'll pay you back for this wrong!" Wait for the LORD, and he will deliver you (Proverbs 20:22).
Like a city whose walls are broken down is a man who lacks self-control (Proverbs 25:28).
Mockers stir up a city, but wise men turn away anger (Proverbs 29:8).
A fool gives full vent to his anger, but a wise man keeps himself under control (Proverbs 29:11).
An angry man stirs up dissension, and a hot-tempered one commits many sins (Proverbs 29:22).
You have heard that it was said to the people long ago, "Do not murder, and anyone who murders will be subject to judgment." But I tell you that anyone who is angry with his brother will be subject to judgment ... first go and be reconciled to your brother; then come and offer your gift (Matthew 5:21-24).
Do not be overcome by evil, but overcome evil with good (Romans 12:21).
Love is patient, love is kind. It does not envy, it does not boast, it is not proud. It is not rude, it is not self-seeking, it is not easily angered, it keeps no record of wrongs (1 Corinthians 13:4-5).
The acts of the sinful nature are obvious: sexual immorality, impurity and debauchery; idolatry and witchcraft; hatred, discord, jealousy, fits of rage, selfish ambition, dissensions, factions (Galatians 5:19-20).
"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 4:26-7).
Do not let any unwholesome talk come out of your mouths, but only what is helpful for building others up according to their needs, that it may benefit those who listen. And do not grieve the Holy Spirit of God, with whom you were sealed for the day of redemption. 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 (Ephesians 4:29-32).
Let your gentleness be evident to all (Philippians 4:5).
But now you must rid yourselves of all such things as these: anger, rage, malice, slander, and filthy language from your lips (Colossians 3:8).
And the Lord's servant must not quarrel; instead, he must be kind to everyone, able to teach, not resentful (2 Timothy 2:24).
My dear brothers, take note of this: Everyone should be quick to listen, slow to speak and slow to become angry, for man's anger does not bring about the righteous life that God desires (James 1:19-20).
Do not repay evil with evil or insult with insult, but with blessing, because to this you were called so that you may inherit a blessing (1 Peter 3:9).
