Never judge your own writing. You're not fit to do so.

People who think they know everything are a great annoyance to those of us who do.

The saddest aspect of life right now is that science gathers knowledge faster than society gathers wisdom.

When stupidity is considered patriotism, it is unsafe to be intelligent.

So the universe is not quite as you thought it was. You'd better rearrange your beliefs, then. Because you certainly can't rearrange the universe.

In life, unlike chess, the game continues after checkmate.

People think of education as something that they can finish.

There are no nations! There is only humanity. And if we don't come to understand that right soon, there will be no nations, because there will be no humanity.

A robot may not injure a human being, or, through inaction, allow a human being to come to harm.

Violence is the last refuge of the incompetent.

A robot must protect its own existence as long as such protection does not conflict with the First or Second Laws.

You cannot withstand continual setbacks unless you've seen a worthwhile vision...

A man cannot free himself from the past more easily than he can from his own body.

A great magazine is sort of a net for ability.

We Americans are not God's covenant people. America has, in any event, no biblical guarantee of perpetuity.

I used to have a lot of recurring dreams about Captain Hook when I was a little kid, which I remember very vividly. But I think I just really liked Peter Pan a lot, and 'Hook' was my favorite movie.

Even the idea of a fart makes me laugh. Saying the word 'fart' makes me laugh. I have iFart on my phone. I have remote whoopee cushions. Farts. To me, there's nothing funnier.

It's got to be the going, not the getting there, that's good.

Everlasting life is a jewel of too great a value to be purchased by the wealth of this world.

Looking at her, bedraggled and beaten, some might have seen weakness. He saw strength, determination, and a will no one could crush.

[I've worked as a guard at Rikers Island] from 1988 to 1990.