Treasury of Scripture Knowledge
2 Chronicles 7:2
And the priests were not able to go into the house of the Lord, for the Lord's house was full of the glory of the Lord.
1 Timothy 6:16
Who only has life for ever, living in light to which no man may come near; whom no man has seen or is able to see: to whom be honour and power for ever. So be it.
So that Moses was not able to go into the Tent of meeting, because the cloud was resting on it, and the House was full of the glory of the Lord.