Susan Cheever

The program of A.A., as written by Bill Wilson and Dr. Smith, only has one purpose: to get you sober. That's it. To make you a better person, forget it. That was one of the things he came to understand in those years of trial and error. It has to be about only one thing.

By irreducibly complex I mean a single system composed of several well-matched, interacting parts that contribute to the basic function, wherein the removal of any one of the parts causes the system to effectively cease functioning.