I feel like this applies: https://www.youtube.com/watch?v=MO0r930Sn_8 https://www.youtube.com/watch?v=MO0r930Sn_8 (Feynman on how certain questions can be very

I feel like this applies: https://www.youtube.com/watch?v=MO0r930Sn_8 https://www.youtube.com/watch?v=MO0r930Sn_8 (Feynman on how certain questions can be very hard to answer)