John Gills Exposition of the Bible Commentary - Exodus 40:38
For the cloud of the Lord was upon the tabernacle by day ,.... Or over it F7 על המשכן "supra tabernaculum", Drusius. , it covered it, when it abode upon it, and rested; and stood on high over it when it moved and the people journeyed: and fire was on it by night ; the same phenomenon which had the appearance of a cloud in the day time shone like fire in the night time: or "fire was in it" F8 בו "in ea"; Fagius, Junius & Tremellius; Drusius. ; that is, in the cloud;... read more
Matthew Henry's Complete Commentary - Exodus 40:34-38
As when, in the creation, God had finished this earth, which he designed for man's habitation, he made man, and put him in possession of it, so when Moses had finished the tabernacle, which was designed for God's dwelling-place among men, God came and took possession of it. The shechinah, the divine eternal Word, though not yet made flesh, yet, as a prelude to that event, came and dwelt among them, John 1:14. This was henceforward the place of his throne, and the place of the soles of his feet... read more