Exodus 19:20-22

Revised Standard Version Catholic Edition

²⁰ And the Lord came down upon Mount Sinai, to the top of the mountain; and the Lord called Moses to the top of the mountain, and Moses went up. ²¹ And the Lord said to Moses, “Go down and warn the people, lest they break through to the Lord to gaze and many of them perish. ²² And also let the priests who come near to the Lord consecrate themselves, lest the Lord break out upon them.”