World Wide Study Bible
a Bible passage
30. him—God, who enters no empty threats.
Vengeance belongeth unto me—Greek, "To Me belongeth vengeance": exactly according with Paul's quotation, Ro 12:19, of the same text.
Lord shall judge his people—in grace, or else anger, according as each deserves: here, "judge," so as to punish the reprobate apostate; there, "judge," so as to interpose in behalf of, and save His people (De 32:36).