It’s a question that’s kept mystics and scholars busy for centuries. And the answer, as with many profound questions, lies in the intricate details.

Now, when we delve into the teachings of the ARI, Ha’Ari z”l (Rabbi Isaac Luria, of blessed memory), the great 16th-century Kabbalist, things can get… complex. Specifically, there’s a passage in Etz Chayim, Shaar HaZivugim (The Tree of Life, Gate of Couplings) that seems to suggest something counterintuitive. It appears to say that the "coupling" – the union – that gives rise to the Mental Powers isn't continuous, while the coupling that channels vitality to all the worlds is continuous. Say what?!

Doesn't that seem backward? Shouldn't the source of wisdom, the Mental Powers, be constantly connected?

To understand this apparent contradiction, we need to shift our perspective. We're not necessarily talking about the actual functioning of the Partzufim. Partzufim (Divine Personae) are complex configurations of divine attributes. Rather, we’re talking about the qualities these Partzufim possess, the qualities that enable them to function correctly within the divine governance.

Think of it like this: imagine a vast, intricate machine. Each part has a specific role, a specific quality that allows it to fulfill its function. The lights, the divine emanations, descend level by level, in a chain of development dictated by this governmental order. It’s a structured system.

Now, let's focus on Zeir Anpin, (the Impatient One or Small Face) one of these Partzufim. Within Zeir Anpin lie the Mental Powers. These powers—wisdom and understanding—are the bedrock, the foundation upon which the entire governmental order of Justice rests. This Justice, mind you, isn’t some harsh, unyielding force. It’s a balance, a harmony built on the interplay of Chessed (Kindness), Gevurah (Judgment/Severity), and Tiferet (Mercy/Beauty).

Everything else within Zeir AnpinChessed-Gevurah-Tiferet and Netzach-Hod-Yesod (Eternity, Splendor, Foundation) – flows from this foundation. But remember: we're not talking about the execution of these qualities. We're talking about their essential nature, their role within the grand scheme. It’s about the light each one provides, its place in the cosmic order.

So, even if the "coupling" that produces the Mental Powers isn't always continuous, its foundational quality, its role as the bedrock of Justice, remains constant. It’s the blueprint upon which everything else is built.

It's a subtle distinction, isn't it? A reminder that even within the most intricate systems, there are layers of meaning, different ways of understanding the same reality. It’s not just about how things work, but why they work the way they do. And perhaps, within that understanding, we can glimpse a little bit more of the divine plan.