Liber LXV, Cap. III, v. 62-63
62. But as Thou art the Last, Thou art also the Next, and as the Next do I reveal Thee to the multitude.
63. They that ever desired Thee shall obtain Thee, even at the End of their Desire.
Knowledge and Conversation of the Holy Guardian Angel is the natural Next Step for humanity, in the sense of our spiritual development.
Whoever undertakes this Work shall attain.