Thomas Edison

If we did all the things we are capable of, we would literally astound ourselves.

Achievements Improvement Motivational

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

Determination Motivational Optimism

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

Motivational Perseverance Success

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

Contentment Friendship Humility

There is no substitute for hard work.

Determination Motivational Perseverance

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

Motivational Perseverance Regret

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

Innovation Optimism Perseverance

I have not failed. I've just found 10,000 ways that won't work.

Innovation Learning Perseverance

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

Achievements Motivational Perseverance

Your worth consists in what you are and not in what you have.

Money