It occurred to me by intuition, and music was the driving force behind that intuition. My discovery was the result of musical perception.

Know where to find the information and how to use it - That's the secret of success.

Don't listen to the person who has the answers; listen to the person who has the questions.

The world is in greater peril from those who tolerate or encourage evil than from those who actually commit it.

I know quite certainly that I myself have no special talent; curiosity, obsession and dogged endurance, combined with self-criticism, have brought me to my ideas.

If I had only known, I would have been a locksmith.

We can invent as many theories we like, and any one of them can be made to fit the facts. But that theory is always preferred which makes the fewest number of assumptions.