Knowing a deep thing well, which is what science asks of its practitioners, is an empowerment that is very profound. It's a liberation.

I don't have any faith, but I have a lot of hope, and I have a lot of dreams of what we could do with our intelligence if we had the will and the leadership and the understanding of how we could take all of our intelligence and our resources and create a world for our kids that is hopeful.

Well, I actually grew up in the sixties. I feel very lucky, actually, that that was my slice of time that I was dealt. Let's remember that the real motivation in the sixties, and even in the fifties, was the Cold War.

The greatest thing that science teaches you is the law of unintended consequences.

No single step in the persuit of enlightenment should ever be considered sacred; only the search was.

Carl took on the military-industrial complex. He campaigned around the world for an end to the production of weapons of mass destruction. To him it was a perversion of science.

If you have a beating heart, that's good enough.