Deuteronomy 4:12

4:12 Then the Lord spoke to you from the middle of the fire; you heard speech but you could not see anything – only a voice was heard.

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 4:36

4:36 From heaven he spoke to you in order to teach you, and on earth he showed you his great fire from which you also heard his words.

Deuteronomy 5:23

5:23 Then, when you heard the voice from the midst of the darkness while the mountain was ablaze, all your tribal leaders and elders approached me.

Deuteronomy 5:26

5:26 Who is there from the entire human race who has heard the voice of the living God speaking from the middle of the fire as we have, and has lived?