The Light that Reforms is the Light used to correct the desires, Kelim (vessels), and it fills the entire reality of a created being. It’s the same very Light, but you utilize it to transform the Kelim.
Suppose I am standing before a beautifully set table filled with fine delicacies, but I don’t have much desire to eat. I am told: “You should still eat something! True, you are sick and have no appetite, but at least try, little by little!” And I eat without any desire, just to give my health a boost. As a result, I recover and start eating the same meal enjoying it immensely.
The recipes haven’t changed, my attitude to them has. Previously, I used them to get better, and it is called “the Light that Reforms,” the Light of Hassadim (Mercy), “repentance from fear,” the degree of Bina. Later, I transformed myself and started to employ these desires by receiving in order to bestow. Then, this Light transformed into the Light of Hochma (Wisdom) for me.
Who made alterations in the Light? I did. Which Light is this? It all depends on how I relate to it: It’s Hassadim for correction of desires, and it’s Hochma for their fulfillment. If I wish to transform my attitude to the others, I need to perform the correction first, and it means that I use the same Light as “Hafetz Hesed” (desiring nothing for self gratification). The Light is bestowal. And then, I can employ the same Light, bestowal, enjoying the fact that I bestow.
Bestowal, the Creator, the Light, fills our reality. We reside within it, and everything depends on our attitude. Our relation to the Light determines where we are: either in this world or in the upper one, at various degrees and different states.
From the 2nd part of the Daily Kabbalah Lesson 1/25/2011, “Introduction of The Book of Zohar,” Article “Two Points”