I see plainly how external images influence the image that I call my body : they transmit movement to it.

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.

The major task of the twentieth century will be to explore the unconscious, to investigate the subsoil of the mind.

Europe is overpopulated, the world will soon be in the same condition, and if the self-reproduction of man is not rationalized... we shall have war.

Wherever anything lives, there is, open somewhere, a register in which time is being inscribed.

Is it astonishing that, like children trying to catch smoke by closing their hands, philosophers so often see the object they would grasp fly before them?

The vital spirit. L'élan vital