Exodus 19:18 And mount Sinai was altogether on a smoke, because the Lord descended upon it in fire: and the smoke thereof ascended as the smoke of a furnace, and the whole mount quaked greatly. 16 I MC VC

Exodus 19:19 And when the voice of the trumpet sounded long, and waxed louder and louder, Moses spake, and God answered him by a voice. 10 I MC VC

Exodus 24:17 And the sight of the glory of the Lord was like devouring fire on the top of the mount in the eyes of the children of Israel. 12 I MC VC

Hebrews 12:21 And so terrible was the sight, that Moses said, I exceedingly fear and quake:) MC VC