2. Idolatry: She makes idols against herself to destroy herself, v. 3. And again (v. 4), Thou hast defiled thyself in thy idols which thou hast made. Note, Those who make idols for themselves will be found to have made them against themselves, for idolaters put a cheat upon themselves and prepare destruction for themselves; besides that thereby they pollute themselves, they render themselves odious in the eyes of the just and jealous God, and even their mind and conscience are defiled, so that to them nothing is pure. Those who did not make idols themselves were yet found guilty of eating upon the mountains, or high places (v. 9), in honour of the idols and in communion with idolaters.