Ezekiel 20:7 - Matthew Poole's English Annotations on the Holy Bible

Then, Heb. And, which connects the words; and though we read it then, this doth not point out the time when God spake this, though it is certain, when he had brought them out of Egypt he gave them his ordinances and laws of worship; nay, it is sufficiently included, in that they were to go out that they might serve the Lord. Cast ye away every man; let every one of you, man by man, and family by family, cast away with abhorrence and indignation; the word is used Ezekiel 18:31. The abominations of his eyes; which your eyes should have abhorred, but you rather lifted up your eyes to them, and looked for help from them; and it includes their own voluntary act in this idolatry. Defile not yourselves with the idols: this explains the former passage. Of Egypt; which were in veneration among the Egyptians, and with whose worship too many of them had been insnared and polluted while they were in Egypt. I am the Lord your God; the only true God, and therefore you should worship none other. See Ezekiel 20:6. You are my covenant people, and therefore ought to have no other God as Exodus 20:3. Thus God prepared them, by his mercies and by his law, for himself.