Deuteronomy 5:22
"These words Yahweh spoke to your whole assembly at the mountain from the midst of the fire and the very thick cloud [with] a loud voice, and {he did not add anything}, and [then] he wrote them on two tablets of stone and gave them to me.
Exodus 24:12
And Yahweh said to Moses, "Come up to me [on] the mountain, and be there, and I will give you the tablets of stone and the law and the commandments that I have written to instruct them."
Exodus 31:18
And when he finished speaking with him on Mount Sinai, he gave to Moses the two tablets of the testimony, stone tablets, written with the finger of God.
Exodus 19:18-19
And Mount Sinai was all wrapped in smoke because Yahweh went down on it in the fire, and its smoke went up like the smoke of a smelting furnace, and the whole mountain trembled greatly.
Deuteronomy 4:12-15
And Yahweh spoke to you from the midst of the fire; {you heard} a sound of words, but {you did not see} a form--only a voice.
Deuteronomy 4:36
From heaven he made you hear his voice to teach you, and on the earth he showed you his great fire, and you heard his words from the midst of the fire.
Deuteronomy 5:4
{Face to face} Yahweh spoke with you at the mountain from the midst of the fire.