The mystical meanings of Ein Sof, blessed be He, and the world of Atzilut have thus been explained to you: Everything stated with regard to them applies only in relation to the creation of beings, when they are merely in a potential state, before their entities have yet to become manifest at all. This is similar to the parable of a man who thinks up a plan of action, which contains nothing at all of the actual wood, bricks, or metal.
The three worlds of Beria, Yetzira, and Asiya, and this world, are considered the actualization of the potential, like a man who actually builds his house in practice, by bringing the wood, bricks, and laborers together, until the actual completion of the house. Therefore, the Divinity that illuminates in Beria, Yetzira, and Asiya, that is, in the measure that souls require in order to come to their state of completion, is enclothed in the ten vessels, Keter, Ḥokhma, Bina, Ḥesed, Gevura, Tiferet, Netzaḥ, Hod, Yesod, and Malkhut. Relative to His divinity, these are actual vessels, i.e., they are not Divine but are novel creations formed for the sake of the souls.