Part 8 · Chapter 85

And now all three worlds — Beria, Yetzira, Assiya — are found entirely within Atzilut, and all of them are completely holy. And the three worlds Beria, Yetzira, Assiya, which are thirty Sefirot, remained empty, an empty space, in the secret of the two-thousand-cubit Shabbat boundary. The upper sixteen Sefirot were the Shabbat boundary, and the lower fourteen were a dwelling place for the Klipot, as above, and they are outside the boundary. Understand this.