“On the third day, when it was morning, there were thunders and lightnings, and a thick cloud on the mountain, and the sound of an exceedingly loud trumpet; and all the people who were in the camp trembled.”
Exodus 19:16 (WEB)
Context Reading
14Moses went down from the mountain to the people, and sanctified the people; and they washed their clothes. 15He said to the people, “Be ready by the third day. Don’t have sexual relations with a woman.” 16On the third day, when it was morning, there were thunders and lightnings, and a thick cloud on the mountain, and the sound of an exceedingly loud trumpet; and all the people who were in the camp trembled. 17Moses led the people out of the camp to meet God; and they stood at the lower part of the mountain. 18All of Mount Sinai smoked, because Yahweh descended on it in fire; and its smoke ascended like the smoke of a furnace, and the whole mountain quaked greatly.