Proverbs 17:7 in the World English Bible
Excellent speech isn’t fitting for a fool, much less do lying lips fit a prince.
Context
6 Children’s children are the crown of old men; and the glory of children are their fathers.
7 Excellent speech becometh not a fool: much less do lying lips a prince.
8 A gift is as a precious stone in the eyes of him that hath it: whithersoever it turneth, it prospereth.