Part 11 · Chapter 105

And these two actions are opposed to each other, and therefore it must divide into two Partzufim, Bina and Tevuna, and then from the Netzach-Hod-Yesod of the upper Bina, the entire Partzuf of Tevuna is made complete with ten Sefirot, for the three upper ones of the Netzach-Hod-Yesod become the three uppermost of Chochma-Bina-Daat of Tevuna, and the three middle ones become its Chesed-Gevura-Tiferet, and the three lower ones become the Netzach-Hod-Yesod of Tevuna. And likewise, from the upper half of Bina, a complete Partzuf of Bina is made with ten Sefirot.