I don’t like anything that’s got to be. I want to know why.

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.

It's the fricking reality that destroys plans.

Reject the tyranny of picked. Pick yourself.

Those who believe that politics and religion do not mix, understand neither.

You can do it, as long as you really believe 100 percent.

Your denial is beneath you, and thanks to the use of hallucinogenic drugs, I see through you.

when times are tough, the weak bail and the tough get creative.

A state of war is not a blank check... when it comes to the rights of the Nation's citizens.

I've helped people get rid of headaches by placing my hand on their forehead, and backaches by placing my hand on their back. It's a powerful example of love that really works.

It's better to be good than evil, but one achieves goodness at a terrific cost.