Having explained how Abba and Imma subdivide to produce the First and Second Israel Sabba-Tevunah, we will now complete the discussion by explaining how this results in Zeir Anpin’s First and Second Maturity.
The proposition consists of two parts: Part 1: Abba and Imma must… This explains where the root of the First and Second Maturity lies. Part 2: And when… This explains the First and Second Maturity in themselves.
Part 1: Abba and Imma must clothe… The same order is followed in every case where a higher Partzuf gives Mental Powers to a lower Partzuf: the moving cause – the higher Partzuf – must clothe its own bottom part with the lights that have to become interior in the lower Partzuf. This is a necessary preparation to enable the lower Partzuf to be properly governed by the higher Partzuf by bringing the latter’s lights down to a suitable level.