I was always afraid of things that worked the first time. Long experience proved that there were great drawbacks found generally before they could be got commercial; but here was something there was no doubt of.
Thomas A. EdisonEveryone steals in commerce and industry. I've stolen a lot, myself. But I know how to steal! They don't know how to steal!
Thomas A. EdisonMr. Edison worked endlessly on a problem, using the method of elimination. If a person asked him if he were discouraged because so many attempts proved unavailing, he would say, "No, I am not discouraged, because every wrong attempt discarded is another step forward.".
Thomas A. EdisonJust because something doesn't do what you planned it to do doesn't mean it's useless.
Thomas A. Edison