13. Do not lay a hand on any of them. Kill them with stones or shoot them with arrows. Whether they are people or animals, do not let them live.' They may go up to the mountain only when the ram's horn gives out a long blast."
14. Moses went down the mountain to the people. After he set them apart for the Lord, they washed their clothes.
15. Then he spoke to the people. He said, "Get ready for the third day. Don't make love."
16. On the morning of the third day there was thunder and lightning. A thick cloud covered the mountain. A trumpet gave out a very loud blast. Everyone in the camp trembled with fear.
17. Then Moses led the people out of the camp to meet with God. They stood at the foot of the mountain.
18. Smoke covered Mount Sinai, because the Lord came down on it in fire. The smoke rose up from it like smoke from a furnace. The whole mountain trembled and shook.
19. The sound of the trumpet got louder and louder. Then Moses spoke. And the voice of God answered him.
20. The Lord came down to the top of Mount Sinai. He told Moses to come to the top of the mountain. So Moses went up.
21. The Lord said to him, "Go down and warn the people. They must not force their way through to see me. If they do, many of them will die.