They don't want equal time - they want all the time there is.

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.

No matter how much you think you love somebody, you'll step back when the pool of their blood edges up too close.

Today I’m going… but one day I’ll back to prove myself, who I’m...

You have now learned to see That cats are much like you and me And other people whom we find Possessed of various types of mind.

In all seriousness, it really should be difficult for me to be too strange. After all, a great family raised me.

I want every math teacher to know math. I want every science teacher to have expertise in science. I want them to know how to inspire and engage young people.

For a true work of creativity, you must reach beyond yourself to bring correct draftsmanship together with strong composition and lifelike colors.

Thing that was very different for me is that an American child's reading is filled with Americans.

Rashness is the companion of youth, prudence of old age.

I really like my doctors. Some of them I love. I trust them.