Proverbs 26:6 in the World English Bible
One who sends a message by the hand of a fool is cutting off feet and drinking violence.
Context
5 Answer a fool according to his folly, lest he be wise in his own conceit.
6 He that sendeth a message by the hand of a fool cutteth off the feet, and drinketh damage.
7 The legs of the lame are not equal: so is a parable in the mouth of fools.