The endeavor to change universal power by selfish supplication I do not believe in.

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

Any large extension of the Government into business affairs - no matter what the pretense and no matter how the the extension is labeled - will be bound to promote waste and put a curb on our prosperity and progress.

To my mind the old masters are not art; their value is in their scarcity.

I never once failed at making a light bulb. I just found out 99 ways not to make one.

This problem, once solved, will be simple.

Genius is one percent inspiration and ninety-nine percent perspiration. As a result, a genius is often a talented person who has simply done all of his homework.