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. ¹ 

Deuteronomy 4:15

The Nature of Israel’s God

4:15 Be very careful, ²  then, because you saw no form at the time the Lord spoke to you at Horeb from the middle of the fire.

[4:12]  ¹ tn The words “was heard” are supplied in the translation to avoid the impression that the voice was seen.

[4:15]  ² tn Heb “give great care to your souls.”