What Degas called 'a way of seeing' must consequently bear a wide enough interpretation to include way of being, power, knowledge, and will.

It seems to me that the soul, when alone with itself and speaking to itself, uses only a small number of words, none of them extraordinary.

What one wrote playfully, another reads with tension and passion; what one wrote with tension and passion, another reads playfully.

A man who is 'of sound mind' is one who keeps the inner madman under lock and key.

The purpose of psychology is to give us a completely different idea of the things we know best.

Every beginning is a consequence - every beginning ends some thing.

History is the most dangerous product evolved from the chemistry of the intellect. ...History will justify anything. It teaches precisely nothing, for it contains everything and furnishes examples of everything.