Postulates are based on assumption and adhered to by faith. Nothing in the Universe can shake them.

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.

Fac quod faciendum est, ' " Jo read aloud. "Do what must be done.

I am the master of my fate:I am the captain of my soul.

I think everyone dreams of that nice romantic wedding.

Every time I wake up I have this huge dreadlock in the back, and I don't know why. It's not like I sleep like a maniac or anything. It gets knots out really easy, and it's handy.

A woman of honor should never suspect another of things she would not do herself.

I think the very concept of an elite commission deciding for the American people who deserves to be heard is profoundly wrong.

Only the inner silence is yours. No-one gave it to you. You were born with it and you will die with it. Thoughts have been given to you. You have been conditioned to them.

I am running for president to return our country to the principles of liberty and limited government.

Each soul is potentially divine.

All of us have to do a better job of teaching young people not to let themselves be defined by the words other people use against them.