A peacetime draft is the most un-American thing I know.

Not all living creatures die. An amoeba, for example, need never die; it need not even, like certain generals, fade away. It just divides and becomes two new amoebas.

I have lived much of my life among molecules. They are good company.

We have fallen in love with the body. That's that thing that looks back at us from the mirror. That's the repository of that lovely identity that you keep chasing all your life.

We have to get rid of those nuclear weapons.

As you lecture, you keep watching the faces, and information keeps coming back to you all the time.

Dropping those atomic bombs on Hiroshima and Nagasaki was a war crime.