Thomas A. Edison

There is no expedient to which a man will not go to avoid the labor of thinking.

There is no expedient to which a man will not go to avoid the labor of thinking.

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.

Hell, there are no rules here - we're trying to accomplish something.

Hell, there are no rules here - we're trying to accomplish something.

The body is a community made up of its innumerable cells or inhabitants.

The body is a community made up of its innumerable cells or inhabitants.

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.