The entire governmental order of Justice is based on Kindness-Judgment-Mercy and the Receiver thereof, because this is the foundation of the whole concept of reward and punishment. At the root of all this we find the division into the Three Heads in Arich Anpin, while the Unknown Head, which is above them, is the root of the Receiver – the Shechinah, the Indwelling Presence.
Having discussed Arich Anpin’s own intrinsic governmental mode as expressed in the Seven Repairs of the Head, we will now examine how Arich Anpin serves as the root of Zeir Anpin. (The Three Heads are the Skull and Brain, as discussed in Opening 102, and the Cavity, אווירא, avira, in between, which clothes Daat of Atik.)