Life is glorious when it is happy; days are carefree when they are happy; the interplay of thought and imagination is far superior to that of muscle and sinew.

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.

This reasonable moderator, and equal piece of justice, Death.

Conflict is the essence of the self.

In the movies, Bette Davis lights two cigarettes and hands the second one to James Cagney. It was just so glamorous and romantic.

The time for reminiscing is after rugby. Then you can sit down and get fat.

You want the president to be uninfluenced by any factors other than his advisers and the best interests of the United States. I think, on that category, Donald Trump easily beats Hillary Clinton.

But theres a huge blessing that comes from being a part of a show like The Cosby Show that sets such a high standard of quality - it touched so many people on so many different levels.

Rationality tied to moral decency is the most powerful joint instrument for good that our planet has ever known.

I did not climb to the top of the food chain to eat carrots.

But already it is time to depart, for me to die, for you to go on living; which of us takes the better course, is concealed from anyone except God.

Oh, my Lolita, I have only words to play with!