Deuteronomy 5:23

And it came to pass, when ye heard the voice from the midst of the darkness, (for the mountain did burn with fire,) that ye came near to me, even all the heads of your tribes, and your elders;

Exodus 20:18-19

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.

Hebrews 12:18-21

For ye are not come to the mount that might be touched, and that burned with fire, nor to blackness, and to darkness, and tempest,

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