Exodus 19:18-20

Douay-Rheims 1899 American Edition

¹⁸ And all mount Sinai was on a smoke: because the Lord was come down upon it in fire, and the smoke arose from it as out of a furnace: and all the mount was terrible.

¹⁹ And the sound of the trumpet grew by degrees louder and louder, and was drawn out to a greater length: Moses spoke, and God answered him.

²⁰ And the Lord came down upon mount Sinai, in the very top of the mount, and he called Moses unto the top thereof. And when he was gone up thither,