Proverbs 21:23
Whosoever keeps his mouth and his tongue keeps his soul from troubles.
Proverbs 12:13
The wicked is snared by the transgression of his lips: but the just shall escape from trouble.
Proverbs 13:3
He that keeps his mouth keeps his life: but he that opens wide his lips shall have destruction.
Proverbs 18:21
Death and life are in the power of the tongue: and they that love it shall eat the fruit thereof.
Proverbs 10:19
In the multitude of words there lacks not sin: but he that refrains his lips is wise.
Proverbs 17:27-28
He that has knowledge spares his words: and a man of understanding is of an excellent spirit.
James 1:26
If any man among you seems to be religious, and bridles not his tongue, but deceives his own heart, this man's religion is vain.
James 3:2-13
For in many things we all offend. If any man offend not in word, the same is a perfect man, and able also to bridle the whole body.