Exodus 20:18 in the King James Version
And all the people saw the thunderings, and the lightnings, and the noise of the trumpet, and the mountain smoking: and when the people saw it, they removed, and stood afar off.
Context
17 “You shall not covet your neighbor’s house. You shall not covet your neighbor’s wife, nor his male servant, nor his female servant, nor his ox, nor his donkey, nor anything that is your neighbor’s.”
18 All the people perceived the thunderings, the lightnings, the sound of the trumpet, and the mountain smoking. When the people saw it, they trembled, and stayed at a distance.
19 They said to Moses, “Speak with us yourself, and we will listen; but don’t let God speak with us, lest we die.”