For they vex you with their wiles, wherewith they have beguiled you in the matter of Peor, and in the matter of Cozbi, the daughter of a prince of Midian, their sister, which was slain in the day of the plague for Peor's sake.
Ver. 18. For they vex you with their wiles.] Not with their wars; they outwit you, out smart by counterfeit courtesy, cut-throat kindness; they have deceived you into those sister sins, fornication and idolatry, which God hath so severely punished.