Част 16 · Chapter 191

And from the five vessels of Beriah, from their coupling are made the Serafim and the Throne of Glory, and they are called the vessels of the Neshamot. And from the five vessels of Atzilut, from their coupling are made the angels whose names never change, the very uppermost, and they are called the vessels of the Neshama-to-Neshama.