In just the same way the thousands of successive positions of a runner are contracted into one sole symbolic attitude, which our eye perceives, which art reproduces, and which becomes for everyone the image of a man who runs.

To exist is to change, to change is to mature, to mature is to go on creating oneself endlessly.

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 believe that the time given to refutation in philosophy is usually time lost. Of the many attacks directed by many thinkers against each other, what now remains? Nothing, or assuredly very little. That which counts and endures is the modicum of positive truth which each contributes. The true statement is, of itself, able to displace the erroneous idea, and becomes, without our having taken the trouble of refuting anyone, the best of refutations.

Sex-appeal is the keynote of our whole civilization.

If reality impacted directly on our senses and our consciousness, if we could have direct communication between the material world and ourselves, art would be unnecessary.

Homo sapiens, the only creature endowed with reason, is also the only creature to pin its existence on things unreasonable.