Their ladder is a gradually decreasing reception of the Light for the sake of the Creator. In the world of Adam Kadmon, there is a big Light of Yechida; in the world of Aztilut, the Light of Haya; in the world of Beria, the Light of Neshama; in the world of Yetzira, the Light of Ruach; and in the world of Assiya, the Light of Nefesh.
In the end, all the Lights in all of the vessels expire, and we find ourselves at the bottom, in the state of “this world.” There are neither Lights nor vessels in it, but only a life force, a material desire. Over the course of the entire descent, the screen kept reducing from 100% to a zero. As a result, we don’t have the force of resistance or a thought of bestowal, nothing. We reside in the material world, that is, in the egoistic desire.
And at this point, we must evolve to the condition when we will desire to go back to the world of Infinity: starting from zero, from below upward, to climb the five worlds that we descended through. By doing so we essentially realize the purpose of creation.
Thus, having fallen to this world, we existed in it over the course of history until we reached the year 2011, the beginning of ascent. From here on, all souls are beginning to rise upward. The path from Above downward and from below upward extends over 125 degrees since each of the five worlds consists of five Partzufim that each contains five Sefirot.
Basically, everything is preset and premeasured in the universe; everything is purposeful. We only need to disclose our next state of existence, time after time, and carefully step into it: everybody in his or her individual manner. Everything is prearranged, and in the world of Infinity (Ein Sof), we come to our final, perfect state of being.
Before we descended from there, we existed in state 1, and then through the broken and confused state 2, we return to Infinity, state 3. What do we “earn” thereby? We earn autonomy. After all, it is we who walk this path to Infinity, we who act, and we who attain the Creator’s creation and actions. Gaining awareness of who He is, we become like Him and understand how to act without Him. We learn, as a child does, until we reach a rung at which we are able to work instead of the Creator in all of reality, in all creation.
The Creator is only a force, but it is we who set it in motion. And this is why in the third state, there are only the Creator and the created being, equal and similar in all. That is what we earn. This is the goal the Creator placed before us so that we, the created beings, may become equal to Him.
From the 3rd part of the Daily Kabbalah Lesson 3/4/2011, “Explanation to the Article, Preface to the Wisdom of Kabbalah”