Proverbs 21:23
He who keeps his mouth and his tongue keeps his soul from troubles.
Proverbs 12:13
A wicked man is snared by the transgression of [his] lips, but the righteous shall come out of trouble.
Proverbs 13:3
He who guards his mouth keeps his life. He who opens wide his lips shall have destruction.
Proverbs 18:21
Death and life are in the power of the tongue, and those who love it shall eat the fruit of it.
Proverbs 10:19
Transgression is not lacking in the multitude of words, but he who refrains his lips does wisely.
Proverbs 17:27-28
He who spares his words has knowledge, and he who is of a cool spirit is a man of understanding.
James 1:26
If any man among you seems to be religious, not bridling his tongue but deceiving his heart, this man's religion is futile.
James 3:2-13
For we all stumble in many things. If any man does not stumble in word, this is a perfect man, able also to bridle the whole body.