The electron is a theory we use; it is so useful in understanding the way nature works that we can almost call it real.
Richard P. FeynmanThe game I play is a very interesting one. It's imagination, in a tight straightjacket.
Richard P. FeynmanThe theoretical broadening which comes from having many humanities subjects on the campus is offset by the general dopiness of the people who study these things.
Richard P. Feynman