Part 14 · Chapter 215

And there I also explained that the Yesod of the holy Atika, which is Arich Anpin, has in it the aspect of the lower beard; and it too is included of the thirteen attributes. And to this secret our Sages, of blessed memory, alluded when they said: Great is circumcision, over which thirteen covenants were made. And from there the thirteen Tikunim of the beard were drawn in ZA, in his upper beard.