As you know, a theory in physics is not useful unless it is able to predict underlined effects which we would otherwise expect.

Experiment is the sole judge of the validity of any idea.

I was terrible in English. I couldn't stand the subject. It seemed to me ridiculous to worry about whether you spelled something wrong or not, because English spelling is just a human convention--it has nothing to do with anything real, anything from nature. Any word can be spelled just as well a different way.

Nature uses only the longest threads to weave her patterns, so that each small piece of her fabric reveals the organization of the entire tapestry.

Science alone of all the subjects contains within itself the lesson of the danger of belief in the infallibility of the greatest teachers of the preceding generation.

What I cannot create, I do not understand.

Nature does not care what we call it, she just keeps on doing it.