Exodus 19:18-20 And Mount Sinai was wrapped in smoke because God descended on it in fire; and its smoke ascended like the smoke of a furnace, and the whole mountain quaked greatly.

NHEB⁽ⁱ⁾ ¹⁸ And Mount Sinai was wrapped in smoke because God descended on it in fire; and its smoke ascended like the smoke of a furnace, and the whole mountain quaked greatly. ¹⁹ When the sound of the trumpet grew louder and louder, Moses spoke, and God answered him by a voice. ²⁰ The LORD came down on Mount Sinai, to the top of the mountain. The LORD called Moses to the top of the mountain, and Moses went up.