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The greatest rewards come from working the hardest and not giving up.

When given the choice between being right or being kind , choose kind.

文化比戰略更重要。

The dead are not powerless. Dead, did I say? There is no death, only a change of worlds.

We teach a subject not to produce little living libraries on that subject, but rather to get a student to think mathematically for himself.

可持續性需要大膽的愿景和不懈的執行。