From my close observation of writers... they fall into two groups: 1) those who bleed copiously and visibly at any bad review, and 2) those who bleed copiously and secretly at any bad review.

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.

A man and woman in search of something are always blown apart, but it's the same wind that blows them.

Collective fear stimulates herd instinct, and tends to produce ferocity toward those who are not regarded as members of the herd.

Being hungry is the most natural thing in the world

It is my hope and my belief that you will be able to report that I died with dignity, without animal fear and without bravado. I owe that much to myself.

Or, in truth, eventually, though I still noticed, the callouses on my spirit prevented wounds (p.75).

I like to think of my shining tombstone. It gives me, as you might say, something to live for.

God has always been to me not so much like a father as like a dear and tender mother.

I think the Irish woman was freed from slavery by bingo. They can go out now, dressed up, with their handbags and have a drink and play bingo. And they deserve it.

Democracy is a great institution and, therefore, it is liable to be greatly abused.

The government can't make people love me, but it can keep them from lynching me.