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Learning and Research

What is "enough"?
- particular question
  (EG Ani: Fermat's last theorem and Poincar\'e conjecture)

researchers as journeymen
  perspective useful for ``what questions to look at''
  (and ``what would be good to know'')
  ...but actually solving problems is thinking about 'em hard
nothing wrong with asking Big Questions (big *philosophical* ``What does it all mean??''),
  but Big Questions are not generally good research avenues;
  also, they're often pretty quickly addressed:
  not necessarily easy to answer, but answers often not that hard to grasp
  (philosophy's hard, but philosophy of a particular field often isn't.)
...and a big research area may be enough work for a lifetime