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.

Research is industrial prospecting. The oil prospectors use every scientific means to find new paying wells. Oil is found by each one of a number of methods. My own group of men are prospecting in a different field, using every possible scientific means. We believe there are still things left to be discovered. We have only stumbled upon a few barrels of physical laws from the great pool of knowledge. Some day we are going to hit a gusher.

The only time you mustn't fail is the last time you try.

I object to people running down the future. I am going to live all the rest of my life there.

I think that the greatest education in the world is the education which helps one to be able to do the right things at the time it has to be done.

People are very open-minded about new things - as long as they're exactly like the old ones.

We have a lot of people revolutionizing the world because they've never had to present a working model.