One could only damage oneself through the harm one did to others. One could never get directly at oneself.

You are -- your life, and nothing else.

What do we mean by saying that existence precedes essence? We mean that man first of all exists, encounters himself, surges up in the world-and defines himself afterward.

Freedom is what we do with what is done to us.

Neither sex, without some fertilization of the complimentary characters of the other, is capable of the highest reaches of human endeavor.

Every existing thing is born without reason, prolongs itself out of weakness, and dies by chance.