Real loneliness consists not in being alone, but in being with the wrong person, in the suffocating darkness of a room in which no deep communication is possible.

A famously wise old man in a village was once asked how he came by his wisdom. "I got it from my good judgment," he answered. And where did his good judgment come from? "I got it from my bad judgment."

Marriages we regard as the happiest are those in which each of the partners believes he or she got the best of it.

It is not only useless, it is harmful, to believe in oneself until one truly knows oneself. And to know oneself means to accept our moments of insanity, of eccentricity, of childishness and blindness.

The real danger is not that computers will begin to think like men, but that men will begin to think like computers.

Ignorance per se is not nearly as dangerous as ignorance of ignorance.

Almost no one is foolish enough to imagine that he automatically deserves great success in any field of activity; yet almost everyone believes that he automatically deserves success in marriage.