All life is a struggle for existence. Why should it cease to be a struggle if it spreads among the stars?

The secret of becoming a writer is to write, write and keep on writing.

I don't really believe in the Devil, but if the Devil is the Father of Lies, then he certainly invented the Internet.

The world has become one big grassy knoll, crawling with lone gunmen who think they're the Warren Commission.

Falling in love indicated that your genes were complementary to those of the loved one. It told you nothing about when your personalities and sexualities were compatible.

What if capitalism is unsustainable, and socialism is impossible?

Change the problem by changing your mind.

The idea of determinism combined with complete human responsibility struck me as very hard to reconcile with an idea of justice, let alone mercy.

"Anyway... I find what you write interesting." "That's what people usually say when they disagree with it."

Of all the sciences, astronomy was the one the superstitious liked least.

For us scientists, on the other wing, life is not quite so simple. Because we learn the unknown. Unlike, hah-hah, our esteemed friends the philosophers, who learn the unknowable.

How terribly sad it was that people are made in such a way that they get used to something as extraordinary as living.

The wise shall learn.

Future indifferences is no consolation for present pain.

If I've learned one thing in life, it's: Stand for something or you'll fall for anything.

It is sad but unfortunately true that man learns nothing from history.

Confidentiality is a virtue of the loyal, as loyalty is the virtue of faithfulness.

I have a very steadfast tendency to parent myself, to monitor my development into the person I want to be. I've tried to keep the corruption minimal.

I love new writing, new blood, modern works by unknown writers.

[President-elect George W] Bush has reached out to these other groups like Blacks and Hispanics.... He ought to do his reaching out to the people who elected him.

A big shot is a little shot who keeps on shootin'