A parabola is bound by one law which fixes its relations with two straight lines at every point; yet it has no end short of infinity, and it continually changes its direction. The Initiate who is aware Who he is can always check is conduct by reference to the determinants of his curve, and calculate his past, his future, his bearings, and his proper course at any assigned moment; he can even comprehend himself as a simple idea.

Appendix VI : A few principal rituals – Liber Reguli. - Magick Book IV : Liber ABA - Part III : Magick in Theory and Practice (1929)