Deuteronomy 9:10

9:10 The Lord gave me the two stone tablets, written by the very finger of God, and on them was everything he said to you at the mountain from the midst of the fire at the time of that assembly.

Deuteronomy 18:16

18:16 This accords with what happened at Horeb in the day of the assembly. You asked the Lord your God: “Please do not make us hear the voice of the Lord our God any more or see this great fire any more lest we die.”

Exodus 19:17

19:17 Moses brought the people out of the camp to meet God, and they took their place at the foot of the mountain.