A scientist has to be neutral in his search for the truth, but he cannot be neutral as to the use of that truth when found. If you know more than other people, you have more responsibility, rather than less.

Two polar groups: at one pole we have the literary intellectuals, at the other scientists, and as the most representative, the physical scientists. Between the two a gulf of mutual incomprehension.

The pursuit of happiness is a most ridiculous phrase: if you pursue happiness you'll never find it.

When you think of the long and gloomy history of man, you will find more hideous crimes have been committed in the name of obedience than have ever been committed in the name of rebellion.

If you pursue happiness you never find it.

There is, of course, no complete solution. But we can do something. The chief means open to us is education There is no excuse for letting another generation be as vastly ignorant, or as devoid of understanding and sympathy, as we are ourselves.

The most dreadful thing of all is that many millions of people in the poor countries are going to starve to death before our eyes. We shall see them doing so upon our television sets.