Thomas Edison

When I have finally decided that a result is worth getting, I go ahead on it and make trial after trial until it comes.

We don't know a millionth of 1 percent about anything.

If there is a way to do it better... find it.

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

The first requisite of success is the ability to apply your physical and mental energies to one problem without growing weary.

Everything comes to him who hustles while he waits.

There is almost no limit to which man will not go to avoid thinking.

The value of an idea lies in the using of it.

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

None of my inventions came by accident-they came by work.