It is the business of future to be dangerous.... The major advances in civilization are processes that all but wreck the societies in which they occur.

Everyone is a philosopher. Not everyone is good at it.

We must produce a great age, or see the collapse of the upward striving of our race.

In order to acquire learning, we must first shake ourselves free of it.

You cannot evade quantity. You may fly to poetry and music, and quantity and number will face you in your rhythms and your octaves.

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

Ninety percent of our lives is governed by emotion.