Proverbs 29:19 in the World English Bible
A servant can’t be corrected by words. Though he understands, yet he will not respond.
Context
18 Where there is no vision, the people perish: but he that keepeth the law, happy is he.
19 A servant will not be corrected by words: for though he understand he will not answer.
20 Seest thou a man that is hasty in his words? there is more hope of a fool than of him.