Earlier quoted context omitted.
>Cars, rockets, missiles, planes, bombs , they all fall under the same umbrella of toys. Well, I just decided that building an artificial heart or defeating Parkinson or Alzheimer's, curing diabetes, solving cancer are under the umbrella of hobbies. Why should people be so preoccupied with hobbies? Hobbies have their place but it seems silly to dedicate ones life on something as trivial as a hobby.
> Well, I just decided that building an artificial heart or defeating Parkinson or Alzheimer's, curing diabetes, solving cancer are under the umbrella of hobbies They fall under the umbrella of survival, because as things stands today , you know that one of those things will eventually be the thing which gets you . Very much like Feynman and Von Neumann knew too, but decided to dedicate the practical part of their th…
Since humans already survive, they do not. Just like humans already can move from point A to point B without cars or planes, humans survive without artificial hearts. So those things are hobbies in the same way cars and planes are toys.