We don't stop playing because we grow old; we grow old because we stop playing.

Justice is impartiality. Only strangers are impartial.

Disobedience, the rarest and most courageous of the virtues, is seldom distinguished from neglect, the laziest and commonest of the vices.

The real Brahms is nothing more than a sentimental voluptuary

The danger of crippling thought, the danger of obstructing the formation of the public mind by specially suppressing ... representations is far greater than any real danger that there is from such representations.

The person who is ignorant enough to believe that his nourishment depends on meat is in a horrible dilemma.

It is not disbelief that is dangerous to our society; it is belief.