What Impossible Meant to Feynman
Feynman was a brilliant man and quite the character. If you haven't read "Surely you're joking Mr. Feynman" I highly recommend you give it a read."The title derives from a woman's response at Princeton University when, after she asked the newly arrived Feynman if he wanted cream or lemon in his tea, he absentmindedly requested both."
https://en.wikipedia.org/wiki/Surely_You%27re_Joking,_Mr._Fe...!