Then all of Mount Sinai was smoking. For the Lord had descended over it with fire, and smoke ascended from it, as from a furnace. And the entire mountain was terrible.
And the Lord said to him, "Go, descend. And you shall ascend, and Aaron with you. But let not the priests or the people transgress the limits, nor ascend to the Lord, lest perhaps he may put them to death."
Then the Lord said to Moses: "Ascend to me on the mountain, and be there. And I will give to you tablets of stone, and the law and the commandments that I have written. So may you teach them."