Small and big pleasures
(Reproduced from my CACM blog.)
One of the small pleasures of life is to win a technical argument with a graduate student. You feel good, as well you should. It is only human to be want to be right. Besides, if you ended up being wrong all or most of the time, you should start questioning your sanity: why are they the students and you the supervisor, rather than the other way around?
One of the big pleasures of life is to lose an argument with a graduate student. Then you have learned something.
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