Proverbs 29:19 KJV
A servant will not be corrected by words: for though he understand he will not answer.
Proverbs 29:19, King James Version
In 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.