Man is so intelligent that he feels impelled to invent theories to account for what happens in the world. Unfortunately, he is not quite intelligent enough, in most cases, to find correct explanations. So that when he acts on his theories, he behaves very often like a lunatic.

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.

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

One believes things because one has been conditioned to believe them. Finding bad reasons for what one believes for other bad reasons-that's philosophy. People believe in God because they've been conditioned to believe in God.

You shall know the truth, and the truth shall make you mad.

No less than war or statecraft, the history of Economics has its heroic ages.

I am ignorant and impotent and yet, somehow or other, here I am, unhappy, no doubt, profoundly dissatisfied ... In spite of everything I survive.