Kabbalah is the method for revealing the Creator to a person (see Baal HaSulam’s article, “The Essence of the Wisdom of Kabbalah”).
Regardless of the fact that the science of Kabbalah was hidden from humanity over the course of thousands of years, by manifesting itself through sciences and social relations in an opposite, egoistic form, it prepared humanity for perceiving it (Kabbalah) as a necessary method in order for everyone to achieve a perfect existence.
However, under the influence of his natural desires and his natural mind, a person must first realize the erroneous course of his independent development. Precisely by moving through the stages of technological, scientific, religious, and social development, and becoming disappointed with them, a person gains the ability to understand the Upper wisdom and mind (higher than those given to him naturally). Having gone through all the methods and realizing their limitations and inability to correct the world, a person comes to reject them and chooses Kabbalah as the only true method of his development.
The reason for such a path of development is related to how the Creator is concealed from a person in order to give him an opportunity to develop on his own and realize the truth. In the same manner that the Creator is concealed in our surroundings, Kabbalah, the method to reveal Him, is concealed in the sciences of our world.
Similar to the development of sciences that lead to the revelation of the science of Kabbalah hidden within them, human development in our world leads to the revelation of the Creator. A person reveals our world through science, and later, with the help of Kabbalah, he reveals the Creator.
Therefore, just as the Creator’s concealment is the cause of all our misfortunes and suffering, to the same extent the concealment of Kabbalah is the reason for all of our suffering.
The science of Kabbalah is the method of revealing the Upper Light, the Light of Hochma which is revealed in the Light of Hassadim (the quality of bestowal) in the corrected egoistic desires. However, the penetration of a considerably weak emanation of Hochma directly into egoistic desires without first being clothed into the Light of Hassadim, gives rise to the sciences of our world.
Since the Light of Hochma that descends into our world (some revelation of the Creator in the sciences of our world, in egoistic desires), descends from revelation of the Creator in the Upper world (the clothing of the Light of Hochma in the Light of Hassadim), it is clear that all the discoveries of Nature that descend into our world are no more than a lesser revelation of the Creator in the science of Kabbalah in the Upper world.
In other words, a very insignificant portion of the truth descends to the sciences of our world from the science of Kabbalah, which is the Upper root of the corporeal sciences, in the same way that our whole world receives only the “Ner Dakik” (a spark of Light) of the Upper Light.
However, specifically from below upwards, meaning from the sciences of our world, can we come to the science of Kabbalah. This is the reason for the revival of all the sciences and, hence, the preparation of the world for revelation of the Creator.
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