“If you have to do the work, do it well, with all your heart.”

“If a man is called to be a street sweeper, he should sweep streets even as a Michaelangelo painted, or Beethoven composed music or Shakespeare wrote poetry. He should sweep streets so well that all...”

“Trademark yourself with the mark of excellence.”

“The fool doth think he is wise, but the wise man knows himself to be a fool.”

“The secret of life, though, is to fall seven times and to get up eight times.”

“It is the mark of an educated mind to be able to entertain a thought without accepting it.”