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荣枯互为倚伏,心田开合一切由己,顺与逆顺其自然,何必去问别人?长与短,四时运行,长寿或短命,一切都是自然而成,何必去怪别人。
Every observation brings us closer to answering fundamental questions about the cosmos.
The real tragedy of the poor is that they can do nothing but wait for the rich to give them something.
Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding.