To Monsieur Eiffel the Engineer, the brave builder of so gigantic and original a specimen of modern Engineering from one who has the greatest respect and admiration for all Engineers including the Great Engineer the Bon Dieu.

The dove is my emblem.

I never view mistakes as failures. They are simply opportunities to find out what doesn't work.

To get a great idea, come up with lots of them.

Fools call wise men fools. A wise man never calls any man a fool.

Focus on how the end-user customers perceive the impact of your innovation - rather than on how you, the innovators, perceive it.

I told [Kruesi] I was going to record talking, and then have the machine talk back. He thought it absurd. However, it was finished, the foil was put on; I then shouted "Mary had a little lamb," etc. I adjusted the reproducer, and the machine reproduced it perfectly. On first words spoken on a phonograph.