Art has no other object than to set aside the symbols of practical utility, the generalities that are conventionally and socially accepted, everything in fact which masks reality from us, in order to set us face to face with reality itself.

Instinct perfected is a faculty of using and even constructing organized instruments; intelligence perfected is the faculty of making and using unorganized instruments.

The emotion felt by a man in the presence of nature certainly counts for something in the origin of religions.

The present contains nothing more than the past, and what is found in the effect was already in the cause.

You will obtain a vision of matter that is perhaps fatiguing for your imagination, but pure and stripped of what the requirements of life make you add to it in external perception.

Action on the move creates its own route, creates to a very great extent the conditions under which it is to be fulfilled and thus baffles all calculation.

I would say act like a man of thought and think like a man of action.