“All human behavior, all human motivations, all man’s hopes and fears, were heavily colored and largely controlled by mankind’s tragic and oddly beautiful pattern of reproduction.”

“Human desire is the criterion of all truth and all good. Truth does not lie beyond humanity, but is one of the products of the human mind and feeling. There is really nothing to fear. The motive of fear in religion is base...”

“They're so attached to their patterns that they've forgotten rule number one of human behavior: there are no patterns. People just do things. There's no such things as a coherent and fully integrated human personality, let alone consistent motivation.”

“...love, and consequently fear, of the crowd being one of the most powerful motives in all human beings...”

“All human behavior has a reason. All behavior is solving a problem.”

“... but I couldn't quite believe that sex was the motivating force behind all human behavior, and that I was left out of the great cultural conversation because I had not been initiated into the mystery.”