I haven't failed, I've found 10,000 ways that don't work

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

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

I shall make electricity so cheap that only the rich can afford to burn candles

The three great essentials to achieve anything worth while are, first, hard work; second, stick-to-itiveness; third, common sense.

Nearly every man who develops an idea works it up to the point where it looks impossible, and then he gets discouraged. That's not the place to become discouraged.