Every man's memory is his private literature.

The quality of moral behavior varies in inverse ratio to the number of human beings involved.

The ductless glands secrete among other things our moods, our aspirations, our philosophy of life.

The best way to find things out is not to ask questions at all. If you fire off a question, it is like firing off a gun - bang it goes

I wanted to change the world. But I have found that the only thing one can be sure of changing is oneself.

Everybody strains after happiness, and the result is that nobody's happy.

Plasticene and self-expression will not solve the problems of education. Nor will technology and vocational guidance; nor the classics and the Hundred Best Books.