Proverbs 21:23
He who guards his mouth and his tongue, he guards his life from danger.
Proverbs 12:13
By the transgression of lips, evil is ensnared, but the righteous escapes from trouble.
Proverbs 13:3
He who keeps his mouth guards his life; he who opens his lips, ruin [belongs] to him.
Proverbs 18:21
Death and life [are] in the {power} of the tongue, and those who love her will eat of her fruit.
Proverbs 10:19
In many words, transgression is not lacking, but he who restrains his lips is prudent.
Proverbs 17:27-28
He who spares his sayings knows knowledge, and a cool spirit is a man of understanding.
James 1:26
If anyone thinks he is religious, [although he] does not bridle his tongue but deceives his heart, this person's religion [is] worthless.
James 3:2-13
For we all stumble [in] many [ways]. If anyone does not stumble in what he says, he [is] a perfect individual, able to hold in check his whole body also.