"The philosophical adept, who, knowing God, says 'There is No God,' meaning, 'God is Zero,' as qabalistically He is. He holds atheism as a philosophical speculation as good as any other, and perhaps less likely to mislead mankind and do other practical damage as any other. Him you may know by his equanimity, enthusiasm, and devotion... The nine religions are crowned by the ring of adepts whose password is 'There is No God,' so inflected that even the Magister when received among them had not wisdom to interpret it...
There is a fourth kind of atheist, not really an atheist at all. He is but a traveller in the Land of No God, and knows that it is but a stage on his journey—and a stage, moreover, not far from the goal. Daath is not on the Tree of Life; and in Daath there is no God as there is in the Sephiroth, for Daath cannot understand unity at all. If he thinks of it, it is only to hate it, as the one thing which he is most certainly not...
This atheist, not in-being but in-passing, is a very apt subject for initiation. He has done with the illusions of dogma. From a Knight of the Royal Mystery he has risen to understand with the members of the Sovereign Sanctuary that all is symbolic; all, if you will, the Jugglery of the Magician. He is tired of theories and systems of theology and all such toys; and being weary and anhungered and athirst seeks a seat at the Table of Adepts, and a portion of the Bread of Spiritual Experience, and a draught of the wine of Ecstasy." - Aleister Crowley