Every day, man is making bigger and better fool-proof things, and every day, nature is making bigger and better fools. So far, I think nature is winning.

I believe in standardizing automobiles, not human beings.

Success = 1 part work + 1 part play + 1 part keep your mouth shut

War seems to me to be a mean, contemptible thing: I would rather be hacked in pieces than take part in such an abominable business. And yet so high, in spite of everything, is my opinion of the human race that I believe this bogey would have disappeared long ago, had the sound sense of the nations not been systematically corrupted by commercial and political interests acting through the schools and the Press

Teaching should be such that what is offered is perceived as a valuable gift and not as a hard duty.

We still do not know one thousandth of one percent of what nature has revealed to us.

The trouble with the younger generation is that they don't stay young for very long.