When people are suspicious with you, you start being suspicious with them.

One of the many reasons for the bewildering and tragic character of human existence is the fact that social organization is at once necessary and fatal. Men are forever creating such organizations for their own convenience and forever finding themselves the victims of their home-made monsters.

If you don't gamble, you'll never win.

One third, more or less, of all the sorrow that the person I think I am must endure is unavoidable. It is the sorrow inherent in the human condition, the price we must pay for being sentient and self-conscious organisms, aspirants to liberation, but subject to the laws of nature and under orders to keep on marching, through irreversible time, through a world wholly indifferent to our well-being, toward decrepitude and the certainty of death. The remaining two thirds of all sorrow is homemade and, so far as the universe is concerned, unnecessary.

One of the principal functions of a friend is to suffer (in a milder and symbolic form) the punishments that we should like, but are unable, to inflict upon our enemies.

Real orgies are never so exciting as pornographic books. In a volume by Pierre Louys all the girls are young and their figures perfect; there's no hiccoughing or bad breath, no fatigue or boredom, no sudden recollections of unpaid bills or business letters unanswered, to interrupt the raptures. Art gives you the sensation, the thought, the feeling quite pure--chemically pure, I mean,... not morally.

Love is as necessary to human beings as food and shelter; [but] without intelligence, ... love is impotent and freedom unattainable.