What does genius look like in math? Where does it come? Dandelin spheres [video]
youtube.com
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Favorite quote "You can often view glimpses of ingeniousness... not as inexplicable miracles, but as the residue of experience." Did he pen that one or borrow it from someone else?
Although I can't say it hasn't been said before, that's a common theme in his videos.
Daydreaming can be dysfunctional & defensive, as in:
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5962718/
Yet some people are free in their thoughts at least some of the time and thus are able to daydream productively.
(One difference I think is that they are obsessed with problems).