Thomas A. Edison

Be courageous. I have seen many depressions in business. Always America has emerged from these stronger and more prosperous. Be brave as your fathers before you. Have faith! Go forward!

One might think that the money value of an invention constitutes its reward to the man who loves his work. But... I continue to find my greatest pleasure, and so my reward, in the work that precedes what the world calls success.

I find my greatest pleasure, and so my reward, in the work that precedes what the world calls success.

Anything that won't sell, I don't want to invent. Its sale is proof of utility, and utility is success.

Many of life's failures are people who did not realize how close they were to success when they gave up.

I have friends in overalls whose friendship I would not swap for the favor of the kings of the world.

Many of life's failures are people who did not realize how close they were to success when they gave up.

If we did all the things we are capable of, we would literally astound ourselves.

The chief function of the body is to carry the brain around.

There's a way to do it better - find it.