Once upon a time, I dreamed of becoming a great man. Later, a good man. Now, finally, I find it difficult enough and honor enough to be -- a man.

If the world is irrational, we can never know it -- either it or its irrationality.

There has never been an 'original' sin: each is quite banal.

An economic system which can only expand or expire must be false to all that is human.

Most new books drop immediately into the oblivion they so richly deserve.

If you're never ridden a fast horse at a dead run across a desert valley at dawn, be of good cheer: You've only missed out on one half of life.

Science transcends mere politics. As recent history demonstrates, scientists are as willing to work for a Tojo, a Hitler, or a Stalin as for the free nations of the West.