Exodus 19:21-24 ▼

21 The LORD directed Moses, “Go down and warn the people not to break through to see the LORD; otherwise many of them will die.

22 Even the priests who come near the LORD must consecrate themselves, or the LORD will break out in anger against them.”

23 Moses responded to the LORD, “The people cannot come up Mount Sinai, since you warned us: Put a boundary around the mountain and consecrate it.”

24 And the LORD replied to him, “Go down and come back with Aaron. But the priests and the people must not break through to come up to the LORD, or he will break out in anger against them.”