Sleep is like a drug. Take too much at a time and it makes you dopey. You lose time and opportunities.

People who will not turn a shovel full of dirt on the project (Muscle Shoals Dam) nor contribute a pound of material, will collect more money from the United States than will the People who supply all the material and do all the work. This is the terrible thing about interest.

I believe that the motion picture is destined to revolutionize our educational system and that in a few years it will supplant largely, if not entirely, the use of textbooks.

I am more of a sponge than an inventor. I absorb ideas from every source. I take half-matured schemes for mechanical development and make them practical. I am a sort of a middleman between the long-haired and impractical inventor and the hard-headed business man who measures all things in terms of dollars and cents. My principal business is giving commercial value to the brilliant but misdirected ideas of others.

Just because something doesn't do what you planned it to do doesn't mean it's useless.

I am 67, but I'm not too old to make a fresh start.

Great ideas originate in the muscles.