CHAPTER III The Formula of Tetragrammaton. 1 This formula is of most universal aspect, as ail things are necessarily comprehended in it$ but its use in a magical ceremony is little understood. The climax of the formula is in one sense before even the formulation of the Yod. For the Yod is the most divine aspect of the Force —the remaining letters are but a solidification of the same thing. It must be understood that we are here speaking of the whole ceremony considered as a unity, not merely of that formula in which Yod is the God invoked, Hé the Archangel, and so on. In order to understand the ceremony under this formula, we must take a more extended view of the functions of the four weapons than we hâve hitherto done. The formation of the Yod is the formulation of the first créative force, of that father who is called “self-begotten,?, and unto whom it is said: