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.

Modern psychology teaches that experience is not merely the best teacher, but the only possible teacher.. There is no war between theory and practice. The most valuable experience demands both, and the theory should supplement the practice and not precede it.

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.

A research problem is not solved by apparatus; it is solved in a man's head.

Learn how to fail intelligently.

It is man's destiny to ponder on the riddle of existence and, as a byproduct of his wonderment, to create a new life on this earth.

I am not interested in the past. I am interested in the future, for that is where I expect to spend the rest of my life.