I never failed. It just didn't work 10,000 times.

There is always a better way.

Through all the years of experimenting and research, I never once made a discovery. I start where the last man left off... All my work was deductive, and the results I achieved were those of invention pure and simple.

My main purpose in life is to make enough money to create ever more inventions…. The dove is my emblem…. I want to save and advance human life, not destroy it…. I am proud of the fact that I have never invented weapons to kill….

The body is a community made up of its innumerable cells or inhabitants.

The three things that are most essential to achievement are common sense, hard work and stick-to-it-iv-ness.

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.