The radio craze will die out in time.

I make more mistakes than anyone else I know, and sooner or later, I patent most of them.

I never perfected an invention that I did not think about in terms of the service it might give others... I find out what the world needs, then I proceed to invent.

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.

Five percent of the people think; ten percent of the people think they think; and the other eighty-five percent would rather die than think.

There is always a better way.

I know this world is ruled by infinite intelligence. Everything that surrounds us- everything that exists - proves that there are infinite laws behind it. There can be no denying this fact. It is mathematical in its precision.