Deuteronomy 4:11
And ye shall come near and shall stand under the mountain; .and the mountain burnt with fire even to the heart of the heavens, darkness, cloud, and gloom.
Deuteronomy 5:23
And it will be as ye are hearing the voice from the midst of the darkness (and the mount burnt with fire), and. ye will come near to me all the heads of your tribes, and your old men;
Exodus 19:16-18
And it shall be in the third day, it being in the morning, and there shall be voices, and lightnings, and a heavy cloud upon the mount, and the voice of the trumpet exceedingly strong; and all the people in the camp will tremble.
Exodus 20:18-19
And all the people saw the voices and the flames, and the voice of the trumpet, and the mountain smoking: and the people feared, and they will shake, and they will stand from far off.
Hebrews 12:18-19
For ye have not come to the mount being handled, and burned with fire, and to duskiness, and to darkness, and to a violent storm,