Ps 52:1-9. Compare 1Sa 21:1-10; 22:1-10, for the history of the title. Ps 52:1 gives the theme; the boast of the wicked over the righteous is vain, for God constantly cares for His people. This is expanded by describing the malice and deceit, and then the ruin, of the wicked, and the happy state of the pious.
1. mighty man--literally, "hero." Doeg may be thus addressed, ironically, in respect of his might in slander.
5. likewise--or, "so," "also," as you have done to others God will do to you (Ps 18:27). The following terms describe the most entire ruin.
6. shall . . . fear--regard with religious awe.
laugh at him--for his folly;