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In the end, we will remember not the words of our enemies, but the silence of our friends.

Quality should never be compromised for short-term gains.

不只是國家有染的問題，對士而言也有受到熏染的問題。?

數(shù)學(xué)之美在于它能夠化繁為簡。

Circumstances rule men; men do not rule circumstances.