Thomas A. Edison

It is astonishing what an effort it seems to be for many people to put their brains definitely and systematically read more

It is astonishing what an effort it seems to be for many people to put their brains definitely and systematically to work.

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

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

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

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

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

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.

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