Deuteronomy 5:23
It happened, when you heard the voice out of the midst of the darkness, while the mountain was burning with fire, that you came near to me, even all the heads of your tribes, and your elders;
Exodus 20:18-19
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.
Hebrews 12:18-21
For you have not come to a mountain that might be touched, and that burned with fire, and to blackness, darkness, storm,
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