Partie 13 · Chapitre 57

And the fact that the brain is called the dew of bdellium [Tala deBevulcha] is because the root of the Mochin is three — HB and Daat — which are the three letters Yod-He-Vav. And if you fill them with Alef, Yod-Alef-Dalet, He-Alef, Vav-Alef-Vav, they amount in gematria to Tal [dew, 39]. And this Gevura of Atik, hidden within the Mocha of AA, is called in every place the Botsina deKardinuta, meaning the strong lamp. For a lamp is fire, and it is not light like the Hassadim; it is a lamp of strong fire, from the side of Gevura.