I refuse to write the same story twice. I keep experimenting. I keep learning how to work. I've been at it pretty much 50 years, and I'm now beginning to learn how to do the job well.

You are not entitled to your opinion. You are entitled to your informed opinion. No one is entitled to be ignorant.

The two most common elements in the universe are Hydrogen and stupidity.

Thank your readers and the critics who praise you, and then ignore them. Write for the most intelligent, wittiest, wisest audience in the universe: Write to please yourself.

I don't mind you thinking I'm stupid, but don't talk to me like I'm stupid.

K is for "Kenghis Khan"; He was a very nice person. History has no record of him. There is a moral in that, somewhere.

In these days of widespread illiteracy, functional illiteracy... anything that keeps people stupid is a felony.

The world is turning into a cesspool of imbeciles.

You must never be afraid to go there.

They minute people fall in love they become liars.

Posing the question: does the god of love use underarm deodorant, vaginal spray and fluoride toothpaste?

Do what is right, not easy or popular.

The seeds of any outcome are within thought.

One of these days some simple soul will pick up the book of God, read it, and believe it. Then the rest of us will be embarrassed.

The awe of God is wisdom.

Our passion for learning ... is our tool for survival.

We succeed, not alone by the laborious exertions of our faculties, be they small or great, but by the regular, thoughtful and systematic exercise of them.

Markets are too complex to manipulate beneficially.

In poetically well built museums, formed from the heart's compulsions, we are consoled not by finding in them old objects that we love, but by losing all sense of Time.

If the word has the potency to revive and make us free, it has also the power to bind, imprison and destroy.

In the actual world--the painful kingdom of time and place--dwell care, and canker, and fear. With thought, with the ideal, is immortal hilarity, the rose of joy.