Deuteronomy 4:15

The Nature of Israel’s God

4:15 Be very careful, then, because you saw no form at the time the Lord spoke to you at Horeb from the middle of the fire.

Deuteronomy 4:23

4:23 Be on guard so that you do not forget the covenant of the Lord your God that he has made with you, and that you do not make an image of any kind, just as he has forbidden you.