The only point of government is to safeguard and foster life.

There's life all over this universe, but the only life in the solar system is on earth, and in the whole universe we are the only men.

We already know enough to begin to cope with all the major problems that are now threatening human life and much of the rest of life on earth. Our crisis is not a crisis of information; it is a crisis of decision of policy and action.

The only use for an atomic bomb is to keep somebody else from using one.

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.