Nobody has a right to speak more clearly than he thinks.

Civilization advances by extending the number of important operations which we can perform without thinking of them.

It belongs to the self-respect of intellect to pursue every tangle of thought to its final unravelment.

The misconception which has haunted philosophic literature throughout the centuries is the notion of 'independent existence.' There is no such mode of existence; every entity is to be understood in terms of the way it is interwoven with the rest of the universe.

Civilizations can only be understood by those who are civilized.

Youth is life as yet unblemished by much tragedy, but hardly by TV.

Order is not sufficient. What is required, is something much more complex. It is order entering upon novelty; so that the massiveness of order does not degenerate into mere repetition; and so that the novelty is always reflected upon a background of system.