I don't want men of experience working for me. The experienced man is always telling me why something can't be done. The fellow who has not had any experience is so dumb he doesn't know a thing can't be done - and he goes ahead and does it.

The price of progress is trouble.

We work day after day, not to finish things; but to make the future better ... because we will spend the rest of our lives there.

It doesn't matter if you try and try and try again, and fail. It does matter if you try and fail, and fail to try again.

Do not bring me your successes; they weaken me. Bring me your problems; they strengthen me.

I often say that research is a way of finding out what you are going to do when you can't keep on doing what you are doing now.

One of the things we have to be thankful for is that we don't get as much government as we pay for.