Though thou shouldest bray (i.e., pound) a fool (a self-willed, headstrong person) in a mortar among wheat with a pestle. — This would separate completely the husks from the wheat; but obstinacy has become a part of such a man’s nature, and cannot be got rid of even by such violent measures.
Related Commentaries of Proverbs 27:22
Proverbs 27:22
22 Though thou shouldest bray a fool in a mortar among wheat with a pestle, yet will not his foolishness depart from him.