Never have I risked my life, or even my comfort, in the service of mankind. Shame on me.

Live while you live, when you're dead you're dead.

Evolution is so creative. That's how we got giraffes.

I have no culture, no humane harmony in my brains. I can't live without a culture anymore.

I learned how to make jokes because I wanted to give people as much fun as they did, and I guess I did, too.

Where is home? I've wondered where home is, and I realized, it's not Mars or someplace like that, it's Indianapolis when I was nine years old. I had a brother and a sister, a cat and a dog, and a mother and a father and uncles and aunts. And there's no way I can get there again.

Every sentence must do one of two things-reveal character or advance the action.