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我認為最重要的事情是對自己真實和誠實。

The greatest obstacle to being heroic is the doubt whether one may not be going to prove one's self a fool; the truest heroism is to resist the doubt; and the profoundest wisdom, to know when it ought to be resisted, and when it be obeyed.

數學的力量在于它的抽象性，使我們能夠看到不立即顯現的模式和聯系。