Prov.27.22

Though thou shouldest bray a fool in a mortar among wheat with a pestle, yet will not his foolishness depart from him.

Prov.27.22

Pound on a fool all you like--you can't pound out foolishness.

Prov.27.22

Though you grind a fool in a mortar, grinding him like grain with a pestle, you will not remove his folly from him.

Prov.27.22

Though you grind a fool in a mortar with a pestle along with crushed grain, Yet his foolishness will not depart from him.