9. — trieth the hearts and reins.] That is, knoweth intimately the very thoughts and desires of all men. Bp. Horne. 11. God judgeth the righteous.] The meaning is, God will maintain the cause of the righteous. Dr. Wells. 12. If he turn not, he will whet &c.] If the wicked will not repent, God will whet &c. Dr. Wells. "Whet his sword," prepare and speedily execute his judgments upon him. S. Clarke.