“Even the most well-adjusted person is holding on to his or her sanity by a greased rope. The rationality circuits are shoddily built into the human animal.”

“Religious guilt causes people to deny their behavior even as they engage in it. Guilt short-circuits rational examination of behavior in favor of supernatural notions like "evil" and "the temptation of Satan.”

“I wonder who it was defined man as a rational animal. It was the most premature definition ever given. Man is many things, but he is not rational.”

“Insanity -- a perfectly rational adjustment to an insane world.”

“All zoos, even the most enlightened, are built upon the idea both beguiling and repellent—the notion that we can seek out the wildness of the world and behold its beauty, but that we must first contain that wildness. Zoos argue that they are fighting for the conservation of the Earth, that they educate the public and provide refuge and support for vanishing species. And they are right. Animal-rights groups argue that zoos traffic in living creatures, exploiting them for financial gain and amusement. And they are right. Caught inside this contradiction are the animals themselves, and the humans charged with their well-being.”

“Because God is a rational being and the universe is his personal creation, it necessarily has a rational, lawful, stable structure, awaiting increased human comprehension. This is the key to many intellectual undertakings, among them, the rise of science. ”