Part 16 · Chapter 180

And the matter is that the inner vessels have in them three parts: the first part, in which the Nefesh of the inner light (Or Pnimi) is clothed; and the second part, in which the Ruach of the Or Pnimi is clothed; and the third part, in which the Neshama of the Or Pnimi is clothed. However, opposite the inner Chaya and Yechida there are no more vessels.