Deuteronomy 4:10-12

Young's Literal Translation

¹⁰ `The day when thou hast stood before Jehovah thy God in Horeb -- in Jehovah's saying unto me, Assemble to Me the people, and I cause them to hear My words, so that they learn to fear Me all the days that they are alive on the ground, and their sons they teach; --

¹¹ and ye draw near and stand under the mountain, and the mountain is burning with fire unto the heart of the heavens -- darkness, cloud, yea, thick darkness:

¹² `And Jehovah speaketh unto you out of the midst of the fire; a voice of words ye are hearing and a similitude ye are not seeing, only a voice;