…which may be through the mystery of Israel and Rachel… These are the essential Male and Female, while the others (such as Jacob and Leah) serve only to complete them, and the other Couplings are certainly on a lower level.
…or through their other branches, male and female. This is the mystery of Jacob and Leah, which are branches of the essential Male and Female.
The Shechinah is complete when all the lower creations – the angels and the souls – are contained within her.