Part 13 · Chapter 60

And all the discernments of the Gevurot are called sparks [Nitzotzin], for they are sparks of the strong fire. And they are also called Nitzotzin for the aforementioned reason, that the lights of the kings did not descend below to Beria, but only the aspect of the 288 sparks, to give them the vitality necessary then, and they are parts of the lights, like the sparks that go out from the fire. And it was also explained there that the 288 sparks are the 320 sparks mentioned in every place, and they are only 320, and with their root, which is the five Gevurot, they are called 325.