Proverbs 17:27
Whoever controls what he says is knowledgeable; anyone who has a calm spirit is a man of understanding.
James 1:19
You must understand this, my dear brothers. Everyone should be quick to listen, slow to speak, and slow to get angry.
Proverbs 10:19
Transgression is at work where people talk too much, but anyone who holds his tongue is prudent.
Proverbs 14:29
Being slow to get angry compares to great understanding as being quick-tempered compares to stupidity.
Proverbs 15:28
The mind of the righteous thinks before speaking, but the wicked person spews out evil.
Proverbs 16:32
Whoever controls his temper is better than a warrior, and anyone who has control of his spirit is better than someone who captures a city.
Ecclesiastes 9:17
The softly spoken words of the wise are to be heard rather than the shouts of a ruler of fools.
James 3:2
For all of us make many mistakes. If someone does not make any mistakes when he speaks, he is perfect and able to control his whole body.
James 3:18
And a harvest of righteousness is grown from the seed of peace planted by peacemakers.