There is nothing left of him but curiosity and a pair of eyes.

I paraphrase Aristotle: If you want to be comical, write about people to whom the audience can feel superior; if you want to be tragical, write about at least one person to whom the audience is bound to feel inferior, and no fair having human problems solved by dumb luck or heavenly intervention.

The Fourteenth Book is entitled, "What can a Thoughtful Man Hope for Mankind on Earth, Given the Experience of the Past Million Years?" It doesn't take long to read The Fourteenth Book. It consists of one word and a period. This is it: "Nothing.

If I were a physics teacher or a science teacher, it'd be on my mind all the time as how the hell we really got this way. It's a perfectly natural human thought and, okay, if you go into the science class you can't think this. Well, alright, as soon as you leave you can start thinking about it again without giving aid and comfort to the lunatic fringe of the Christian religion.

You have to go, but I have to stay.

The worst thing that could possibly happen to anybody would be to not be used for anything by anybody. Thank you for using me, even though I didn't want to be used by anybody.

My ancestors were all Freethinkers, formerly Catholics. It was science and Darwin, in particular, that made them decide, as educated people, which they were, that the priest, nice as he was, didn't know what he was talking about.