Part 11 · Chapter 120

Now, the Mochin are three phases: ChaBaD, and Daat divides into two, which are HG. Thus there are four Mochin: HB and HG. Indeed, their roots are drawn as follows: HB are drawn from the Mochin of Aba and Ima themselves — Hochma from the brain of the father, being his own Hochma, and Bina from the brain of the mother, being her own Bina — as explained in the discourse on the Tzitzit.