Bible Verses About Cloud of Glory: At giving of the law

The glory of ADONAI stayed on Mount Sinai, and the cloud covered it for six days. On the seventh day he called to Moshe out of the cloud.

To the people of Isra'el the glory of ADONAI looked like a raging fire on the top of the mountain.

Moshe entered the cloud and went up on the mountain; he was on the mountain forty days and nights.