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当你想要放弃的那一刻,想想你为什么坚持了这么久。
"The moment you feel like giving up, think about why you held on for so long."
The power of mathematics comes from its ability to abstract and generalize, turning specific problems into universal truths.
对待好建议的唯一方法就是传递它。它对自己从来没有任何用处。
No man really knows about other human beings. The best he can do is to suppose that they are like himself.