Writing a book is a bit like going on location for a movie. You're absent from your life, your family, and your friends. You're psychologically gone, so you might as well be physically gone.

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

Morality must keep up with technology because if a person is faced with the choice of being moral and dead or immoral and alive, they'll choose life everytime.

Science can't tell you why anything happens.

I was raised with the idea that if you're not smart enough to do science you can do politics.

Discovery, they believe, is inevitable. So they just try to do it first. That's the game in science.

Human intelligence was more trouble than it was worth. It was more destructive than creative, more confusing than revealing, more discouraging than satisfying, more spiteful than charitable.