Deuteronomy 2:4

2:4 Instruct these people as follows: ‘You are about to cross the border of your relatives the descendants of Esau, who inhabit Seir. They will be afraid of you, so watch yourselves carefully.

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.