Until man duplicates a blade of grass, nature can laugh at his so-called scientific knowledge. Remedies from chemicals will never stand in favor compared with the products of nature, the living cell of the plant, the final result of the rays of the sun, the mother of all life.

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.

I owe my success to the fact that I never had a clock in my workroom. Seventy-five of us worked twenty hours every day and slept only four hours - and thrived on it.

I am much less interested in what is called God's word than in God's deeds. All bibles are man-made.

Being busy does not always mean real work. The object of all work is production or accomplishment and to either of these ends there must be forethought, system, planning, intelligence, and honest purpose, as well as perspiration. Seeming to do is not doing.

I have not failed. I have successfully discovered 1200 ideas that don't work.

I have not failed 10,000 times. I have succeeded in proving that those 10,000 ways will not work.