Just because something doesn't do what you planned it to do doesn't mean it's useless.
Thomas A. EdisonNearly 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.
Thomas A. EdisonTime is really the only capital that any human being has, and the only thing he can't afford to lose.
Thomas A. EdisonMost of the exercise I get is from standing and walking around laboratory tables all day. I derive more benefit and entertainment from this than some of my friends and competitors get from playing games like golf.
Thomas A. Edison