Like other revolutionaries I can thank God for the reactionaries. They clarify the issue.

The history of thought, and therefore all history, is the re-enactment of past thought in the historian's own mind.

A man ceases to be a beginner in any given science and becomes a master in that science when he has learned that... he is going to be a beginner all his life.

Perfect Freedom is reserved for the man who lives by his own work, and in that work does what he wants to do.

Art is community's medicine for that worst disease of the mind, the corruption of consciousness

Nothing capable of being memorized is history.

What a man is ashamed of is always at bottom himself; and he is ashamed of himself at bottom always for being afraid.

Classical art stands for form; romantic art for content.

The children of each generation are taught to want what they are taught they must not have.

The chief business of seventeenth-century philosophy was to reckon with seventeenth-century science... the chief business of twentieth-century philosophy is to reckon with twentieth-century history.

The value of history. ..is that it teaches us what man has done and thus what man is.

So before everyone begins the big party for 'Brontosaurus' and celebrates this huge diversity of sauropod names, let's hold our horses.

In the course of an average lifetime anyone growing up in a house with such a clock will hear the tune over a million times.

Heroes did not make our liberties; they but reflected and illustrated them.

How imperfect is all our knowledge!

I keep my TV writing and my book writing almost wholly separate. The audiences feel so different.

Thus far, everything I've made has come out of my really feeling it, out of the fire of my life.

Neither saints nor angels have ever increased my faith in this enigma Life; but what are called 'common men and women' have increased it.

Wise man also fears a weak enemy.

The cure of many diseases remains unknown to the physicians of Hellos (Greece) because they do not study the whole person.

I resent the limitations of my own imagination.