Science fiction writers foresee the inevitable, and although problems and catastrophes may be inevitable, solutions are not.

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 hope people are going to be listening to you after you're gone. And they like you better after you're gone.

I don't have clear-cut positions. I get baffled by things. I have viewpoints. Sometimes they change.

I just don't think it's good public policy to tax fuel. It's kind of silly. It stops people from traveling and actually costs the economy more money than what you gain in the taxes.

I like finding talent. That's what really turns me on, I suppose.

Express everything you like. No word can hurt you. None. No idea can hurt you. Not being able to express an idea or word will hurt you more. Like a bullet.

The state is the servant of the citizen, and not his master.

That which is usually called dotage is not the weak point of all old men, but only of such as are distinguished by their levity.

Relationship is an art. The dream that two people create is more difficult to master than one.

I'm a conscious parent when I believe... a parent's presence in their child's life is of paramount value and provides the foundation for their sense of worth.

Know for certain that there is no power in the universe to injure us unless we first injure ourselves.