If you gamble long enough, you'll always lose -- the gambler is always ruined.

Without question, the notion of the doctor as a legitimate fee-for-service entrepreneur, making his fortune from misfortunes of his patients, is old-fashioned, distasteful, and doomed.

In the end, science offers us the only way out of politics. And if we allow science to become politicized, then we are lost. We will enter the Internet version of the dark ages, an era of shifting fears and wild prejudices, transmitted to people who don't know any better.

Nobody smart knows what they want to do until they get into their twenties or thirties.

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

Human beings are so destructive. I sometimes think we're a kind of plague, that will scrub the earth clean. We destroy things so well that I sometimes think, maybe that's our function. Maybe every few eons, some animal comes along that kills off the rest of the world, clears the decks, and lets evolution proceed to its next phase.

God creates dinosaurs, God kills dinosaurs, God creates man, man kills God, man brings back dinosaurs.