Flow by Mihaly Csikszentmihalyi
“a solitary individual under such conditions became an idiot, which in Greek originally meant a ‘private person’—someone who is unable to learn from others.”
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“‘Whosoever is delighted in solitude,’ goes the old saying that Frances Bacon repeated, ‘is either a wild beast or a god.’”
-Mihaly Csiksentmihalyi, 1990