Class Twenty Five.
Nothing good comes from a negative act (Tzimtzum and Siluk). Therefore after the Siluk there is a return of manifesting of Elokus called Hislabshus Koach HaPoel BiNifal. Three steps in Mashal of Rav and Talmid like the three (not two) steps in Tzimtzum HaRishon. This mirrors the three steps of Machshava Dibur Ma’aseh.