The essential building block is...the true love that is impossible to define for those who have never experienced it and unnecessary to define for those who have.

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.

There is an enlightened way to flow with, in, and through conflict.

I may be wrong, but I doubt it.

Walk and be Happy, Walk and be Healthy.

The gospel is a reasonable system, and it appeals to men's understanding; it is a matter for thought and consideration, and it appeals to the conscience and reflecting powers.

I'm no longer dependent on the movie business to make a living. So if I want to make movies as other old guys would play golf, I can.

[E]conomic history is a long record of government policies that failed because they were designed with a bold disregard for the laws of economics

I'd like it if people thought I was Jewish looking.

No disrespect to the country. It's a wonderful place, the where's he gone again?

I function better when things are going badly than when they're as smooth as whipped cream.

You should do something that will make your heart dance once a day. If you can't do that because you're too depressed, then do something that will make somebody else's heart dance.