Deuteronomy 4:24-26
For the LORD your God is a consuming fire, a jealous God. . . .

Deuteronomy 9:10
Then the LORD gave me the two stone tablets, inscribed by the finger of God with the exact words that the LORD spoke to you out of the fire on the mountain on the day of the assembly.

Exodus 19:18, 19
Mount Sinai was completely enveloped in smoke, because the LORD had descended on it in fire. And smoke rose like the smoke of a furnace, and the whole mountain quaked violently. . . .

Exodus 20:18, 19
All the people witnessed the thunder and lightning, the sound of the trumpet, and the mountain in smoke. And when the people saw this, they trembled and stood at a distance. . . .

Exodus 24:11
But God did not lay His hand on the nobles of Israel; they saw Him, and they ate and drank.

Exodus 33:20
And He added, "You cannot see My face, for no one can see Me and live."

Judges 6:22
When Gideon realized that it was the Angel of the LORD, he said, "Oh no, Lord GOD! I have seen the Angel of the LORD face to face!"