Baal HaSulam, “Introduction to The Book of Zohar,” Item 58: And I have named that commentary The Sulam (Ladder) to show that the purpose of my commentary is as the role of any ladder: If you have an attic filled abundantly, then all you need is a ladder to reach it. And then, all the bounty in the world will be in your hands.
There is no use to open The Book of Zohar without The Sulam commentary. There are quite a few commentaries written on The Book of Zohar, but The Sulam is the only one that raises us to the level of the Creator’s perfection. It is so because Baal HaSulam ascended all 125 degrees that the authors of The Zohar “stood on” at the time when they wrote it, and disclosed The Zohar for us from their height.
The Sulam commentary adapts The Zohar to modern-day souls that emerge nowadays in this world. The Light of The Book of Zohar corrects our souls and enables them “to face” The Zohar (the Upper Radiance or the Upper Light) in a way that it can return us back to the unity through which the Creator will reveal Himself to us.
The Sulam helps us to position ourselves in the middle line so that we correspond to the form through which the Upper Light descends onto us (a combination of measures of mercy and judgment) and thus can receive it. The middle line is a formula by which we have to correctly combine two forces that exist in nature: the force of the Creator (bestowal, abundance, and Light) and the force of the creature (the desire to receive pleasure). Our entire work consists of building the middle line and is the only freedom of choice that we have.
The Sulam commentary allows us to build the middle line, and hence, ever after it was written, there exists no other way to realize The Book of Zohar but in accordance with it. Truly, Baal HaSulam directs our vision, approach, and sensations in a way that all that is written in The Book of Zohar penetrates in us through the “middle line” (middle ground).
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