You can't realize your dreams unless you have one to begin with.

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.

Results? Why, man, I have gotten lots of results! If I find 10,000 ways something won't work, I haven't failed. I am not discouraged, because every wrong attempt discarded is often a step forward.

Just because something doesn't do what you planned it to do doesn't mean it's useless.

The memory of my mother will always be a blessing to me.

Whatever the mind of man creates, should be controlled by man's character.

Surprises and reverses can serve as an incentive for great accomplishment. There are no rules here, we're just trying to accomplish something.