The doctor of the future will no longer treat the human frame with drugs, but rather will cure and prevent disease with nutrition.

Unfortunately, there seems to be far more opportunity out there than ability.... We should remember that good fortune often happens when opportunity meets with preparation.

Youth doesn't take advice.

Results! Why, man, I have gotten a lot of results. I know several thousand things that won't work.

Invention is 1% inspiration and 99% perspiration

I do not believe any type of religion should ever be introduced into the public schools of the United States.

I never pick up an item without thinking of how I might improve it. I never perfected an invention that I did not think about in terms of the service it might give others. I want to save and advance human life, not destroy it. I am proud of the fact that I never invented weapons to kill. The dove is my emblem.