Proverbs 17:20
A man of crooked heart does not discover good, and one with a dishonest tongue falls into calamity.
Psalm 18:26
with the purified you show yourself pure; and with the crooked you make yourself seem tortuous.
Proverbs 3:32
for the devious person is an abomination to the LORD, but the upright are in his confidence.
Proverbs 6:12-15
A worthless person, a wicked man, goes about with crooked speech,
Proverbs 8:13
The fear of the LORD is hatred of evil. Pride and arrogance and the way of evil and perverted speech I hate.
Proverbs 10:10
Whoever winks the eye causes trouble, but a babbling fool will come to ruin.
Proverbs 10:14
The wise lay up knowledge, but the mouth of a fool brings ruin near.
Proverbs 10:31
The mouth of the righteous brings forth wisdom, but the perverse tongue will be cut off.
Proverbs 18:6-7
A fool's lips walk into a fight, and his mouth invites a beating.
Ecclesiastes 10:12
The words of a wise man's mouth win him favor, but the lips of a fool consume him.
James 3:6-8
And the tongue is a fire, a world of unrighteousness. The tongue is set among our members, staining the whole body, setting on fire the entire course of life, and set on fire by hell.