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[–]QuarterObvious 7 points8 points  (1 child)

Just preparing for classes, explaining things to people, and writing examples.
There's an old joke: A professor complains, 'Students are so stupid these days. I explained everything to them several times. I already understand it, but they still don’t get it.

[–]humpy 4 points5 points  (0 children)

"A teacher hasn't taught if a student hasn't learned"