Feynman turns to Ron and says, OK, what's this dopey idea you have in physics? Ron, who is an extremely confident guy, turned and started to explain his theory. Feynman, booming loudly declared, Did you think about this....? Did you think about that...? The response was almost inevitably, No. On it went. I must say, I have never seen such a quick and merciless massacre of another individual in my life. It was sad.