Since emotions are few and reasons are many (said the robot Giscard) the behavior of a crowd can be more easily predicted than the behavior of one person.

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.

I'm way hot, " he muttered. "But I don't feel sick. Just — way hot."Fang

The validation of your dreams is not in the colour of your skin but in the quality of your heart.

Let us be kind and compassionate to all beings. Everyone wants to enjoy their lives, everyone has sufferings, and everyone wants peace and happiness.

Those who occupy their minds with small matters, generally become incapable of greatness.

All that man has to say or do that can possibly concern mankind is in some shape or other to tell the story of his love-to sing, and, if he is fortunate and keeps alive, he will be forever in love.

The ideal place for me is the one in which it is most natural to live as a foreigner.

A great deal of what is presumed to be intractable or inevitable in this world doesn't strike me that way at all.

To fill the hour; that is happiness to fill the hour, and leave no crevice for a repentance or an approval.

We can all be good when we have no temptation or provocation to the contrary.

Polo is like tennis - you literally have to live it.