Proverbs 4:24
"Put away from thee a froward mouth, and perverse lips put far from thee."
Cross References (ranked by relevance)
If any man among you seem to be religious, and bridleth not his tongue, but deceiveth his own heart, this man’s religion is vain.
All the words of my mouth are in righteousness; there is nothing froward or perverse in them.
The fear of the LORD is to hate evil: pride, and arrogancy, and the evil way, and the froward mouth, do I hate.
Wherefore lay apart all filthiness and superfluity of naughtiness, and receive with meekness the engrafted word, which is able to save your souls.
A naughty person, a wicked man, walketh with a froward mouth.
Wherefore laying aside all malice, and all guile, and hypocrisies, and envies, and all evil speakings,
But now ye also put off all these; anger, wrath, malice, blasphemy, filthy communication out of your mouth.
Perverse disputings of men of corrupt minds, and destitute of the truth, supposing that gain is godliness: from such withdraw thyself.
He that hath a froward heart findeth no good: and he that hath a perverse tongue falleth into mischief.
If iniquity be in thine hand, put it far away, and let not wickedness dwell in thy tabernacles.
Cast away from you all your transgressions, whereby ye have transgressed; and make you a new heart and a new spirit: for why will ye die, O house of Israel?