Proverbs 17:20
He who has a deceitful heart finds no good. He who has a perverse tongue falls into mischief.
Psalm 18:26
With pure people you are pure. In dealing with devious people you are clever.
Proverbs 3:32
Jehovah hates people who do evil. He takes righteous people into his confidence.
Proverbs 6:12-15
An ungodly person, a wicked man, walks with a perverse mouth.
Proverbs 8:13
Respect for Jehovah means to hate evil. I hate: pride, and arrogance, the evil way, and the perverse mouth.
Proverbs 10:10
He who winks the eye [in a jesture of malice] causes trouble. A babbling fool will fall.
Proverbs 10:14
Wise men preserve knowledge. The mouth of the foolish is near destruction.
Proverbs 10:31
The mouth of the righteous flows with wisdom but the perverted tongue will be destroyed.
Proverbs 18:6-7
A fool's lips want to argue. His mouth calls for blows.
Ecclesiastes 10:12
The words of a wise man's mouth are gracious; but the lips of a fool will swallow up himself.
James 3:6-8
The tongue is like fire, the place of iniquity among our members. It defiles the whole body, and sets on fire the course of our life. It is set ablaze like the ever-burning fires in the Valley of Hinnom (Greek: Gehenna: symbolic of total destruction).