I do not want to believe in God. Therefore I choose to believe in that which I know is scientifically impossible, spontaneous generation leading to evolution.

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.

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

Civilization will end within 15 or 30 years unless immediate action is taken against problems facing mankind.

It would be a poor thing to be an atom in a universe without physicists, and physicists are made of atoms. A physicist is an atom's way of knowing about atoms.

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

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

We are the products of editing, rather than of authorship.

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.

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

Nuclear weapons offer us nothing but a balance of terror, and a balance of terror is still terror.

Women have demanded and gotten better jobs and more power. But the one thing we deserve is a better relationship with ourselves.

I've always been interested in writing from other people's perspectives and other gender perspectives.

So the animal finally performs in that situation only the fitting act.

Seest thou good days? Prepare for evil times. No summer but hath its winter. He never reaped comfort in adversity that sowed not in prosperity.

It is not possible for civilization to flow backwards while there is youth in the world. Youth may be headstrong, but it will advance it allotted length.

It is to this silence [contemplative prayer] that we all are called.

Only a fool or a fraud talks tough or romantically about war.

The artist writes, paints, sings or dances the burden of some idea or feeling off his mind.

We expected anyway that the democratic forces which have agreed with us in Zimbabwe would have rallied behind us. But it was a difficult struggle.

Don't deliver an essay with so many points. No one can absorb it. Just say one thing... Of course, you can say the point in many different ways over and over again with different illustrations.