New Revised Standard Version
Then the LORD spoke to you out of the fire. You heard the sound of words but saw no form; there was only a voice.

Contemporary English Version
and the LORD spoke to you from the fire. You could hear him and understand what he was saying, but you couldn't see him.

New American Bible
Then the LORD spoke to you from the midst of the fire. You heard the sound of the words, but saw no form; there was only a voice.

Douay-Rheims Bible
And the Lord spoke to you from the midst of the fire. You heard the voice of his words, but you saw not any form at all.

And the Lord spoke to you from the midst of the fire. You heard the voice of his words, but you saw not any form at all.

the Lord

Deuteronomy 5:4,22 He spoke to us face to face in the mount out of the midst of fire. . . .

no similitude

Deuteronomy 4:15 Keep therefore your souls carefully. You saw not any similitude in the day that the Lord God spoke to you in Horeb from the midst of the fire:

Numbers 12:8 For I speak to him mouth to mouth: and plainly, and not by riddles and figures doth he see the Lord. Why then were you not afraid to speak ill of my servant Moses?

Isaiah 40:18 To whom then have you likened God? or what image will you make for him?

Colossians 1:15 Who is the image of the invisible God, the firstborn of every creature:

Deuteronomy 4:33,36 That a people should hear the voice of God speaking out of the midst of fire, as thou hast heard, and lived: . . .

Exodus 20:22 And the Lord said to Moses: Thus shalt thou say to the children of Israel: You have seen that I have spoken to you from heaven.

1 Kings 19:12,13 And after the earthquake, a fire: but the Lord is not in the fire. And after the fire, a whistling of a gentle air. . . .

Isaiah 30:21 And thy ears shall hear the word of one admonishing thee behind thy back: This is the way, walk ye in it: and go not aside neither to the right hand, nor to the left.

Isaiah 40:3,6 The voice of one crying in the desert: Prepare ye the way of the Lord, make straight in the wilderness the paths of our God. . . .

Matthew 3:3,17 For this is he that was spoken of by Isaias the prophet, saying: A voice of one crying in the desert, Prepare ye the way of the Lord, make straight his paths. . . .

Matthew 17:5 And as he was yet speaking, behold a bright cloud overshadowed them. And lo a voice out of the cloud, saying: This is my beloved Son, in whom I am well pleased: hear ye him.

John 12:28-30 Father, glorify thy name. A voice therefore came from heaven: I have both glorified it and will glorify it again. . . .

2 Peter 1:17,18 For he received from God the Father honour and glory, this voice coming down to him from the excellent glory: This is my beloved Son, in whom I am well pleased. Hear ye him. . . .