Thomas A. Edison

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.

I never did a day's work in my life. It was all fun.

Everything comes to him who hustles while he waits.

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

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

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!

Waste is worse than loss. The time is coming when every person who lays claim to ability will keep the question of waste before him constantly. The scope of thrift is limitless.

Our greatest weakness lies in giving up. The most certain way to succeed is always to try just one more time.

There will one day spring from the brain of science a machine or force so fearful in its potentialities, so absolutely terrifying, that even man, the fighter, who will dare torture and death in order to inflict torture and death, will be appalled, and so abandon war forever.

His genius he was quite content in one brief sentence to define; Of inspiration one percent, of perspiration, ninety nine.

Genius is one percent inspiration and ninety-nine percent perspiration.