Nonsense! The most hopelessly stupid man is he who is not aware that he is wise.

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.

Scars are just another kind of memory.

It's better to go out with a bang and a press release than with a whimper and a secret.

Every generation is inculcated in traditions of prejudice which are encouraged as normal, natural and healthy.

I don't think there's such a thing as a selfish prayer. Prayer puts you in communication so you can talk about whatever you want to talk about.

Once every five hundred years or so, a summary statement about poetry comes along that we can't imagine ourselves living without

It is the photographer, not the camera, that is the instrument.

What makes a good work of art is something that honors certain traditions and breaks with others.

The true charm of pedestrians does not lie in the walking, or in the scenery, but in the talking.

Pliny the Elder, who when Rome was burning requested Nero to play You Picked a Fine Time to Leave Me, Lucille. Never got a dinner!

It's management's job to know.