Proverbs 17:20
He who has a perverse heart finds no good, and he who has a crooked tongue falls into mischief.
Psalm 18:26
with the pure You will show Yourself pure; and with the crooked You will show Yourself perverse.
Proverbs 3:32
For the crooked man is hateful to Jehovah, but His secret is with the righteous.
Proverbs 6:12-15
A worthless person, a wicked man walks with a crooked mouth,
Proverbs 8:13
The fear of Jehovah is to hate evil; I hate pride, and arrogance, and the evil way, and the wicked mouth.
Proverbs 10:10
He who winks the eye causes sorrow; but a babbling fool shall fall.
Proverbs 10:14
Wise ones store up knowledge; but the mouth of the foolish is near ruin.
Proverbs 10:31
The mouth of the just brings forth wisdom; but the perverse tongue shall be cut out.
Proverbs 18:6-7
A fool's lips enter into argument, and his mouth calls for strokes.
Ecclesiastes 10:12
The words of a wise mouth are gracious; but the lips of a fool will swallow him.
James 3:6-8
And the tongue is a fire, a world of iniquity. So the tongue is set among our members, spotting all the body and inflaming the course of nature, and being inflamed by hell.