You think the world is what it looks like in fine weather at noon day. I think it is what it seems like in the early morning when one first wakes from deep sleep.
To imagine a set of utterly strange and impossible contingencies, and require youths to give intelligent answers to the questions that arise therefrom, is reckoned the fittest conceivable way of preparing them for the actual conduct of their affairs in life.
I received a telephone call one day at the graduate college at Princeton from Professor Wheeler, in which he said, "Feynman, I know why all electrons have the same charge and the same mass" "Why?" "Because, they are all the same electron!