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

Good fortune is what happens when opportunity meets with planning.

Success is the product of the severest kind of mental and physical application.

We will make electricity so cheap that only the rich will burn candles.

I never did anything worth doing by accident, nor did any of my inventions come by accident; they came by work.

Do the thing and the power will come.

I never view mistakes as failures. They are simply opportunities to find out what doesn’t work.

I never view mistakes as failures. They are simply opportunities to find out what doesn’t work.

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

Success is based on imagination plus ambition and the will to work.

A good intention, with a bad approach, often leads to a poor result.

The secret of success is focus of purpose.

The successful person makes a habit of doing what the failing person doesn’t like to do.

I didn’t fail 1000 times. The light bulb was an invention with 1000 steps.

To do much clear thinking a person must arrange for regular periods of solitude when they can concentrate and indulge the imagination without distraction.

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

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