There is more simplicity in the man who eats caviar on impulse than in the man who eats Grape-Nuts on principle.

The act of defending any of the cardinal virtues has today all the exhilaration of a vice.

Research is the search of people who don't know what they want.

There are no new lies, no new heresies. Man is simply not that creative.

The theory of free speech, that truth is so much larger and stranger and more many-sided than we know of, that it is very much better at all costs to hear everyone's account of it, is a theory which has been justified on the whole by experiment, but which remains a very daring and even a very surprising theory. It is really one of the great discoveries of the modern time.

Thinking means connecting things, and stops if they cannot be connected.

It is not bigotry to be certain we are right; but it is bigotry to be unable to imagine how we might possibly have gone wrong.