Think of it this way: the Creator, in His infinite goodness, desired to share His abundance, His shefa, with creation. But here's the kicker: inherent in that very act of bestowing is the need for something to receive that bounty. That "something" is the Kli, the vessel, the will to receive.
Now, the Petichah LeChokhmat HaKabbalah (Introduction to the Wisdom of Kabbalah) points out that this will to receive wasn't some afterthought. It was baked into the very first intention of creation. It's not that the Creator first thought of giving and then realized He needed a receiver. No, the desire to give and the inherent need for something to receive were inextricably linked from the outset. They are bound as one.
And that's where the concept of descending worlds comes in. The Kabbalah paints a picture of existence as a series of layers, each further removed from the divine source than the last. Think of a waterfall cascading down a mountainside. The water starts pure at the source, but as it tumbles down, it gathers minerals and sediment, becoming less and less pristine.
Similarly, the divine light and its accompanying vessel—the will to receive—descend through these spiritual worlds. With each descent, that will to receive becomes more pronounced, more "materialized." The further away from the light of the Creator, the more "stuff" there is.
So, as the Petichah LeChokhmat HaKabbalah teaches, the degree to which these levels descend and become distant from the light is directly proportional to the materialization of the will to receive that is subsumed in the shefa. In other words, the more we have a "will to receive," the more we experience the world as separate from the Divine.
This system, as described in Kabbalah, illustrates how the supernal light and vessels descend through these layers, these spiritual worlds, gradually manifesting as the reality we perceive as this world. The higher up you go, the closer you are to the source, the less material things are.
It's a mind-bending concept, isn't it? But it offers a powerful perspective. The imperfections we see in the world, the very "stuff" that makes it feel distant from the divine, aren't a flaw in the design. They are, paradoxically, an inherent part of the Creator's intention, a necessary component in the grand dance of giving and receiving. What does that mean for us, though? It means that even in our imperfections, even in our inherent will to receive, there is a spark of the divine, a connection to that original, perfect intention. And perhaps, understanding that connection is the first step towards bridging the gap and drawing closer to the light.