The closer to the truth, the better the lie, and the truth itself, when it can be used, is the best lie.

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.

If you can't be kind, at least be vague.

When I visit someplace new my favorite thing to do is eat...and walk, preferable to a place where I can eat some more.

A lot of people don't like me. I take that as evidence that I have done something beautifully different or something extraordinary.

I'm not surprised that Spielberg was able to capture the heroism of Schindler so many of his movies are about the better part of mankind.

We begin to change the world when we stimulate long-term prosperity using technology. There is not a problem that's large enough that innovation and entrepreneurship can't solve.

If you see certainty in that which is uncertain, you are bound to suffer

If you'd be loved, be worthy to be love

I was like one of those people who is allergic to the twentieth century... I'd been brought up to think there was some order to things, but there was no safety net. Doctors accused me of being mad.

Habit has a kind of poetry.

How often do we do that, he wondered--look at someone and fail to see what's really there?