A man’s best friend is a good wife.

I can never pick up a thing without wishing to improve it.

X-rays ... I am afraid of them. I stopped experimenting with them two years ago, when I came near to losing my eyesight and Dally, my assistant practically lost the use of both of his arms.

Failure is the most effective technique to optimize strategic planning, implementation and processes.

There is great value in disaster. All our mistakes are burned up. Thank God we can start a new.

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.

They say President Wilson has blundered. Perhaps he has, but I notice he usually blunders forward.