"One of the first and foremost duties of the teacher is not to give his students the impression that mathematical problems have little connection with ...

Quite often, when an idea that could be helpful presents itself, we do not appreciate it, for it is so inconspicuous. The expert has, perhaps, no more ideas than the inexperienced, but appreciates more what he has and uses it better.
Quite often, when an idea that could be helpful presents itself, we do not appreciate it, for it is ...
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