That’s kind of how it is when we approach the deepest secrets of the Kabbalah, especially when diving into the Zohar. The Zohar, that foundational text of Kabbalah, is like a roadmap to understanding the relationship between us, the world, and the Divine. But even roadmaps have their limits.

In his "Preface to Zohar," Baal HaSulam, one of the greatest Kabbalists of the 20th century, lays down some important principles for navigating this complex terrain. And one of the most crucial? Understanding the different levels of reality that Kabbalah describes.

He tells us that when we talk about the Divine and how it relates to us, to the creation of souls, we're really talking about three distinct levels: Ein Sof, the world of Atzilut, and the three lower worlds of Beria, Yetzira, and Asiya.

Let’s break that down a little. Ein Sof (אין סוף) – literally, "without end" – is the ultimate, unknowable essence of God. It's the infinite, the source of everything. Think of it as the light before it shines, the potential before it manifests. It is utterly beyond our comprehension.

Then, we have Atzilut (אֲצִילוּת), the world of emanation. It’s the first, most refined expression of the Divine, closest to Ein Sof. It's where the divine attributes, the sefirot, begin to take form. Atzilut is still largely beyond our direct grasp, but it acts as a bridge between the unknowable Ein Sof and the worlds we can experience.

Finally, we arrive at Beria (בְּרִיאָה), Yetzira (יְצִירָה), and Asiya (עֲשִׂיָּה) – Creation, Formation, and Action. These are the worlds that Kabbalah concerns itself with most. These are the worlds where souls come into being, where angels dwell, and ultimately, where our physical reality exists.

Here’s the key point that Baal HaSulam makes: The Zohar focuses primarily on these three lower worlds: Beria, Yetzira, and Asiya. It also touches on Ein Sof and Atzilut, but only insofar as they influence and affect these lower realms.

Think of it like this: the Zohar is less interested in the sun itself (Ein Sof) and more interested in how the sun's rays (emanating through Atzilut) give life and light to the earth (Beria, Yetzira, Asiya).

Baal HaSulam emphasizes that the Zohar doesn’t delve into the essence of Ein Sof or Atzilut “as they are in themselves.” Trying to do that would be like trying to catch the wind. It's simply beyond our capacity. The Zohar is concerned with how the Divine manifests in our world, how we can understand our place within it, and how we can draw closer to the Source.

So, what does this mean for us?

It means that when we study the Zohar, we need to keep this framework in mind. We're not going to unlock the ultimate secrets of the universe in a way that our rational minds can fully comprehend. Instead, we are exploring the pathways by which the Divine impacts our reality, and, perhaps more importantly, how we can elevate ourselves to perceive more of that Divine light.

It’s a humbling thought, isn’t it? But it’s also incredibly inspiring. Even though we can't fully grasp the infinite, we can still connect with it. We can still experience its presence in our lives, in the world around us, and within ourselves. And that, perhaps, is the greatest secret of all.