James 1:19-20 (NIV) 19 My dear brothers, take note of this: Everyone should be quick to listen, slow to speak and slow to become angry, 20 for man's anger does not bring about the righteous life that God desires.
Ecclesiastes 7:9 (NIV) 9 Do not be quickly provoked in your spirit, for anger resides in the lap of fools.
Proverbs 14:17 (NIV) 17 A quick-tempered man does foolish things, and a crafty man is hated.
Proverbs 16:32 (NIV) 32 Better a patient man than a warrior, a man who controls his temper than one who takes a city.
Proverbs 15:18 (NIV) 18 A hot-tempered man stirs up dissension, but a patient man calms a quarrel.
Psalm 37:8 (NIV) 8 Refrain from anger and turn from wrath; do not fret--it leads only to evil. Matthew 5:22 (NIV) 22 But I tell you that anyone who is angry with his brother will be subject to judgment.
Don't get angry at the person who acts in ways that displease you. Give him the smile he lacks. Spread the sunshine of your Lord's limitless love. Joni Eareckson Tada
Hot heads and cold hearts never solved anything. Billy Graham Draper's Book of Quotations for the Christian World.