In my life there have been several individuals whose presence made it easier for me to think, pleasanter to make my responses.

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.

Dragons were notoriously finicky about whom they ate, and thought it the height of bad manners to be kept waiting by their selected fare.

It's Unfair to be fairBecause Life is unfair

Ignorance is bliss, but Enlightenment is nirvana

You don't need to know what you're escaping from to become a fugitive.

I love. The most reckless thing of all.

The Italian prose tale had begun to exercise that influence as early as Chaucer's time: but circumstances and atmosphere were as yet unfavourable for its growth.

Gold was not altogether certain what, anatomically, a gorge was, but he knew that his was rising.

We're getting along so well; I trust you so much for this one second that I'm going to let you yank on me.

Do I like to write? Why? About what? Will I give up and say, "Living and feeding a man's insatiable guts and begetting children occupies my whole life. Don't have time to write"?

To lie a little is not possible: he who lies, lies the whole lie.