Research means that you don't know, but are willing to find out.

99 percent of success is built on failure.

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.

In America we can say what we think, and even if we can't think, we can say it anyhow.

I could do nothing without my problems; they toughen my mind. In fact, I tell my assistants not to bring me their successes for they weaken me, but rather to bring me their problems, for they strengthen me.

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

Whenever you look at a piece of work and you think the fellow was crazy, then you want to pay some attention to that. One of you is likely to be, and you had better find out which one it is. It makes an awful lot of difference.