They sacrificed to demons that were not God, to gods they had never known, to new gods that had come recently, whom your fathers had never dreaded.
We have here a description of the apostasy of Israel from God, which would shortly come to pass, and to which already they had a disposition. One would have thought that a people under so many obligations to their God, in duty, gratitude, and interest, would never have turned from him; but, alas! they turned aside quickly.
Commenting on Deuteronomy 32:15-18
Of the rock that begat thee thou art unmindful,.... The same with the rock of salvation, Deu 32:15; repeated and expressed in different words, that their wretched ingratitude might be taken notice of and observed: begetting is ascribed to this rock, as regeneration is to Christ, Jo1 2:29; and was true of some among the Jews: some choose to render the words, "the rock of...
They sacrificed unto devils--(See on Lev 17:7).