I tell my students to try early in life to find an unattainable objective.

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

The concept of war crimes is an American invention.

All War Departments are now Defense Departments. This is all part of the doubletalk of our time. The aggressor is always on the other side.

A lecture is much more of a dialogue than many of you probably realize.

A physicist is an atom's way of knowing about atoms.

The important point is that since the origin of life belongs in the category of at-least-once phenomena, time is on its side. However improbable we regard this event, or any of the steps which it involves, given enough time it will almost certainly happen at least once. And for life as we know it, with its capacity for growth and reproduction, once may be enough.