Then the LORD came down upon Mount Sinai, on the top of the mountain. And the LORD called Moses to the top of the mountain, and Moses went up.
Exodus 19:20
Surrounding context
19:19 And when the blast of the trumpet sounded long and became louder and louder, Moses spoke, and God answered him by voice.
19:20 Then the LORD came down upon Mount Sinai, on the top of the mountain. And the LORD called Moses to the top of the mountain, and Moses went up.
19:21 And the LORD said to Moses, "Go down and warn the people, lest they break through to gaze at the LORD, and many of them perish.