Hebrews 12:18. For ye are not come unto the mount that might be touched, and that burned with fire, nor unto blackness, and darkness, and tempest,
Exodus 10:22. And Moses stretched forth his hand toward heaven; and there was a thick darkness in all the land of Egypt three days:
Deuteronomy 4:11. And ye came near and stood under the mountain; and the mountain burned with fire unto the midst of heaven, with darkness, clouds, and thick darkness.
Deuteronomy 5:22. These words the LORD spake unto all your assembly in the mount out of the midst of the fire, of the cloud, and of the thick darkness, with a great voice: and he added no more. And he wrote them in two tables of stone, and delivered them unto me.
