Proverbs 26:6-8

Revised Standard Version Catholic Edition

⁶ He who sends a message by the hand of a fool
    cuts off his own feet and drinks violence.
⁷ Like a lame man’s legs, which hang useless,
    is a proverb in the mouth of fools.
⁸ Like one who binds the stone in the sling
    is he who gives honor to a fool.