Exodus 19:10–19

¹⁰And Jehovah said to Moses, Go to the people, and hallow them to-day and to-morrow, and let them wash their clothes; ¹¹and let them be ready for the third day; for on the third day Jehovah will come down before the eyes of all the people on mount Sinai. ¹²And set bounds round about the people, saying, Take heed to yourselves, not to go up unto the mountain nor touch the border of it: whatever toucheth the mountain shall certainly be put to death: ¹³not a hand shall touch it, but it shall certainly be stoned, or shot through; whether it be a beast or a man, it shall not live. When the long drawn note of the trumpet soundeth, they shall come up to the mountain. ¹⁴And Moses came down from the mountain to the people, and hallowed the people; and they washed their clothes. ¹⁵And he said to the people, Be ready for the third day; do not come near your wives.

¹⁶And it came to pass on the third day, when it was morning, that there were thunders and lightnings and a heavy cloud on the mountain, and the sound of the trumpet exceeding loud; and the whole people that was in the camp trembled. ¹⁷And Moses brought the people out of the camp to meet with God; and they stood at the foot of the mountain. ¹⁸And the whole of mount Sinai smoked, because Jehovah descended on it in fire; and its smoke ascended as the smoke of a furnace; and the whole mountain shook greatly. ¹⁹And the sound of the trumpet increased and became exceeding loud; Moses spoke, and God answered him by a voice.