Celestial Navigation and Interpretation

"I stand on the shoulders of giants mathematically, intellectually and magically," he says. Astrology has gone to a sheet of paper or a computer screen where calculations are done in advance. And we're just doing a lot of interpretation of a set of information that's previously presented. "You look back into some of the Arabic astrologers and you realize, OK, these guys are doing celestial navigation and interpretation simultaneously in their heads while talking to a client."