Know that there is no minutia of existence that is not comprised of all the levels of Atzilut (Emanation), Beria (Creation), Yetzira (Formation), and Asiya.
One thus discovers how this soul level called nefesh, which is the light of vitality enclothed in the body, emanates from the Creator’s essence yesh miyesh. As it passes through the four worlds of Atzilut (Emanation), Beria (Creation), Yetzira (Formation), and Asiya, it becomes increasingly distant from the light of His countenance, until it enters its designated vessel, which is called body. At this stage, the vessel has acquired its proper, final form.