Part 16 · Chapter 175

And behold, the example we gave — that from the sparks that come out of the outer vessels of that world are made the souls of the angels themselves — so in this very manner, the outer vessels themselves of Atzilut, when they descend to the three lower worlds of BYA, become truly the aspect of a Neshama of the essentiality of those lights of the worlds themselves; and their Ruach and Nefesh of those worlds are garments for the aforementioned Neshama.