Exodus 19:11

19:11 and be ready for the third day, for on the third day the Lord will come down on Mount Sinai in the sight of all the people.

Exodus 19:18

19:18 Now Mount Sinai was completely covered with smoke because the Lord had descended on it in fire, and its smoke went up like the smoke of a great furnace, and the whole mountain shook violently.

Exodus 19:20-21

19:20 The Lord came down on Mount Sinai, on the top of the mountain, and the Lord summoned Moses to the top of the mountain, and Moses went up. 19:21 The Lord said to Moses, “Go down and solemnly warn the people, lest they force their way through to the Lord to look, and many of them perish.

Exodus 32:7

32:7 The Lord spoke to Moses: “Go quickly, descend, because your people, whom you brought up from the land of Egypt, have acted corruptly.

Exodus 32:15

32:15 Moses turned and went down from the mountain with the two tablets of the testimony in his hands. The tablets were written on both sides – they were written on the front and on the back.

Exodus 33:9

33:9 And whenever Moses entered the tent, the pillar of cloud would descend and stand at the entrance of the tent, and the Lord would speak with Moses.