Thomas Alva Edison

There is no substitute for hard work.

There is no substitute for hard work.

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.

Restlessness is discontent - and discontent is the first necessity of progress. Show me a thoroughly satisfied man - and read more

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

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

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

Opportunity is missed by most people because it is dressed in overalls and looks like work.

Opportunity is missed by most people because it is dressed in overalls and looks like work.