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 16:4

16:4 There must not be a scrap of yeast within your land for seven days, nor can any of the meat you sacrifice on the evening of the first day remain until the next morning.

Deuteronomy 31:18

31:18 But I will certainly hide myself at that time because of all the wickedness they will have done by turning to other gods.