Thomas Alva Edison

Show me a thoroughly satisfied man and I will show you a failure.

Show me a thoroughly satisfied man and I will show you a failure.

Genius is one percent inspiration and 99 percent perspiration.

Genius is one percent inspiration and 99 percent perspiration.

I find out what the world needs, then I proceed to invent. My main purpose in life is to make read more

I find out what the world needs, then I proceed to invent. My main purpose in life is to make money so that I can afford to go on creating more inventions.

I never pick up an item without thinking of how I might improve it. I never perfected an invention that read more

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.

Discontent is the first necessity of progress.

Discontent is the first necessity of progress.