There are manifold tones of mental life, or, in other words, our psychic life may be lived at different heights, now nearer to action, now further removed from it, according to the degree of our attention to life.

Sex-appeal is the keynote of our whole civilization.

Genius is that which forces the inertia of humanity to learn.

We regard intelligence as man's main characteristic and we know that there is no superiority which intelligence cannot confer on us, no inferiority for which it cannot compensate.

To perceive means to immobilize. To say this is to say that we seize, in the act of perception, something which outruns perception itself.

A situation is always comic if it participates simultaneously in two series of events which are absolutely independent of each other, and if it can be interpreted in two quite different meanings.

And I also see how this body influences external images: it gives back movement to them.