"Man, biologically considered, and whatever else he may be into the bargain, is the most formidable of all the beasts of prey, and, indeed, the only one that preys systematically on its own species."

"The world is all the richer for having a devil in it, provided you don't keep him."

"There is no more miserable human being than one in whom nothing is habitual but indecision."

"The world we see that seems so insane is the result of a belief system that is not working."

"The true is the name for whatever proves itself to be good in the way of belief, and good, too, for definite assignable reasons."