Be careful that you do not forget the covenant of the LORD your God that He made with you; do not make an idol for yourselves in the form of anything He has forbidden you.
23. Take heed unto yourselves, lest ye forget. There is no contradiction in the sense, that he should first of all altogether forbid that idols should be made; and, secondly, speak only of worshipping and adoring them; for it is already in itself a wicked error to attribute any image to God; and another superstition always accompanies it, that God is always improperly worshipped in this visible symbol.
This most lively and excellent discourse is so entire, and the particulars of it are so often repeated, that we must take it altogether in the exposition of it, and endeavour to digest it into proper heads, for we cannot divide it into paragraphs. I.
Commenting on Deuteronomy 4:1-40
Take heed unto yourselves,.... Since he should not be long with them, to advise, instruct, and caution them: lest ye forget the covenant of the Lord your God, which he made with you; what that required of them, and what was promised unto them on the performance of it, and what they must expect should they break it, and particularly be so forgetful of it...