Exodus:34:14-15
kjv@Exodus:34:14 @ For thou shalt worship no other god: for the LORD, whose name is Jealous, is a jealous God:
kjv@Exodus:34:15 @ Lest thou make a covenant with the inhabitants of the land, and they go a whoring after their gods, and do sacrifice unto their gods, and one call thee, and thou eat of his sacrifice;