Thomas A. Edison

I never did anything by accident, nor did any of my inventions come by accident…

It is astonishing what an effort it seems to be for many people to put…

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

Waste is worse than loss. The time is coming when every person who lays claim…

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

Anything that won’t sell, I don’t want to invent. Its sale is proof of utility…

Our greatest weakness lies in giving up. The most certain way to succeed is always…

Be courageous. I have seen many depressions in business. Always America has emerged from these…

Just because something doesn’t do what you planned it to do doesn’t mean it’s useless…

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

To invent, you need a good imagination and a pile of junk…

One might think that the money value of an invention constitutes its reward to the…

I never did a day’s work in my life. It was all fun…

I know this world is ruled by infinite intelligence. Everything that surrounds us- everything that…

There is no substitute for hard work…