Quotes by Thomas A. Edison

Great ideas originate in the muscles.

To have a great idea, have a lot of them.

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!

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

Restlessness is discontent and discontent is the first necessity of progress. Show me a thoroughly satisfied man and I will show you a failure.

Just because something doesn’t do what you planned it to do doesn’t mean it’s useless.

Hell, there are no rules here – we’re trying to accomplish something.

The best thinking has been done in solitude. The worst has been done in turmoil.

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