Do not indoctrinate your children. Teach them how to think for themselves, how to evaluate evidence, and how to disagree with you.

Evolution has no long-term goal. There is no long-distance target, no final perfection to serve as a criterion for selection, although human vanity cherishes the absurd notion that our species is the final goal of evolution.

Saddam Hussein's mind would have been a unique resource for historical, political and psychological research: a resource that is now forever unavailable to scholars... In a small way his execution represents a wanton and vandalistic destruction of important research data.

I think a fundamentalist is somebody who believes something unshakably and isn't going to change their mind.

I'd like everybody to be secular. I suppose I have to say politically I would like religion to become gentler and nicer and to stop interfering with other people's lives, stop repressing women, stop indoctrinating children, all that sort of thing. But I really, really would like to see religion go away altogether.

By all means let's be open-minded, but not so open-minded that our brains drop out. -this quote is actually found in Carl Sagan's book The Demon Haunted World: Science as a Candle in the Dark, where he attributes it to engineer James Oberg, who says he stole it from someone else.

I do think the Roman Catholic religion is a disease of the mind which has a particular epidemiology similar to that of a virus... Religion is a terrific meme. That's right. But that doesn't make it true and I care about what's true. Smallpox virus is a terrific virus. It does its job magnificently well. That doesn't mean that it's a good thing. It doesn't mean that I don't want to see it stamped out.