The typical eye sees the ten per cent bad of an idea and overlooks the ninety per cent good.

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.

Great steps in human progress are made by things that don't work the way philosophy thought they should. If things always worked the way they should, you could write the history of the world from now on. But they don't, and it is those deviations from the normal that make human progress.

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

Every great improvement has come after repeated failures. Virtually nothing comes out right the first time. Failures, repeated failures, are finger posts on the road to achievement. One fails forward toward success.

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

If you want to kill any idea in the world, get a committee working on it.