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

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

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.

The prestige of the Nobel Prize is due to many causes, but in particular to its twofold idealistic and international character: idealistic in that it has been designed for works of lofty inspiration; international in that it is awarded after the production of different countries has been minutely studied and the intellectual balance sheet of the whole world has been drawn up. Free from all other considerations and ignoring any but intellectual values, the judges have deliberately taken their place in what the philosophers have called a community of the mind.

Sex-appeal is the keynote of our whole civilization.

Intelligence is characterized by a natural incomprehension of life.

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