There is no substitute for hard work.
Thomas A. Edison

There will one day spring from the brain of science a machine or force so fearful in its potentialities, so absolutely terrifying, that even man, the fighter, who will dare torture and death in order to inflict torture and death, will be appalled, and so abandon war forever.
Thomas A. Edison

There's a way to do it better - find it.
Thomas A. Edison

They say President Wilson has blundered. Perhaps he has, but I notice he usually blunders forward.
Thomas A. Edison

To have a great idea, have a lot of them.
Thomas A. Edison

To invent, you need a good imagination and a pile of junk.
Thomas A. Edison

To my mind the old masters are not art; their value is in their scarcity.
Thomas A. Edison

Waste is worse than loss. The time is coming when every person who lays claim to ability will keep the question of waste before him constantly. The scope of thrift is limitless.
Thomas A. Edison

We don't know a millionth of one percent about anything.
Thomas A. Edison

What a man's mind can create, man's character can control.
Thomas A. Edison

What you are will show in what you do.
Thomas A. Edison

When I have fully decided that a result is worth getting I go ahead of it and make trial after trial until it comes.
Thomas A. Edison

Your worth consists in what you are and not in what you have.
Thomas A. Edison