Kabbalists view the Tree of Life as acting through four worlds, which form a hierarchy of their own. Just as from Kether to Malkuth there is a successive movement from the abstract to the manifest, so there is in the Kabbalistic worlds from Atziluth to Assiah. The worlds can be expressed through a single Tree or as a series of Trees, with Malkuth in one world being Kether of the next.  […]

Read more:  The Four Worlds