Exodus 19:13-23

13 There shall not a hand touch it, but he shall surely be stoned or shot through: whether [it be] beast or man, it shall not live: when the trumpet soundeth long, they shall come up to the mount.
14 And Moses went down from the mount to the people, and sanctified the people; and they washed their clothes.
15 And he said to the people, Be ready against the third day: come not at [your] wives.
16 And it came to pass on the third day in the morning, that there were thunders and lightnings, and a thick cloud upon the mount, and the voice of the trumpet exceeding loud; so that all the people that [were] in the camp trembled.
17 And Moses brought forth the people out of the camp to meet with God; and they stood at the nether part of the mount.
18 And mount Sinai was altogether in a smoke, because the LORD descended upon it in fire: and the smoke of it ascended as the smoke of a furnace, and the whole mount trembled greatly.
19 And when the voice of the trumpet sounded long, and grew louder and louder, Moses spoke, and God answered him by a voice.
20 And the LORD came down upon mount Sinai, on the top of the mount: and the LORD called Moses to the top of the mount; and Moses went up.
21 And the LORD said to Moses, Go down, charge the people, lest they break through to the LORD to gaze, and many of them perish.
22 And let the priests also who come near to the LORD, sanctify themselves, lest the LORD break forth upon them.
23 And Moses said to the LORD, The people cannot come up to mount Sinai: for thou chargedst us, saying, Set bounds about the mount, and sanctify it.
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