If a fellow wants to be nobody in the business world, let him neglect sending the mailman to somebody on his behalf.

Every honest researcher I know admits he's just a professional amateur. He's doing whatever he's doing for the first time. That makes him an amateur. He has sense enough to know that he's going to have a lot of trouble, so that makes him a professional.

What I believe is that, by proper effort, we make the future almost anything we want to make it.

Action without intelligence is a form of insanity, but intelligence without action is the greatest form of stupidity in the world.

Believe and act as if it were impossible to fail.

The future can be anything we want it to be, providing we have the faith and that we realize that peace, no less than war, required blood and sweat and tears.

People think of the inventor as a screwball, but no one ever asks the inventor what he thinks of other people.