Part 5 · Chapter 32

Now we shall explain how was the second return of the lights. Know that their second return is not like their descent for the first time. This is because then, all ten lights came down to their place. However, in this second descent, had they all descended to their place, all the vessels that have already been made by their departure would have been canceled, as in the beginning. They would not have been able to tolerate their lights, as it happened to them before. Therefore, it was necessary for the upper light in all of them, which is Keter, which is great and equal to all nine lights put together, would always remain above, adhered to its root, which emanates it, which is the Toch of the Peh of AK.