...because this is the way the Partzufim are compounded, and both give rise to certain qualities in the Partzufim. However, sometimes one power and quality rules, and sometimes another.
Part 2: The way these combinations rule above governs what happens in the Partzufim. As we have said, the Partzufim are bound up with these interconnections between MaH and BaN, which give rise to certain qualities in them. It follows that a change in the ruling combinations will lead to change in the qualities ruling in the Partzufim. However, this is not fathomable or visible in the least. In other words, this root is not known, because it is not revealed.