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I have already carried out my duty. I have proved the Poincaré conjecture and I have nothing more to do in mathematics.
I earnestly wish to point out in what true dignity and human happiness consists.
一个好的数学家是能看到定理之间类比的人;一个伟大的数学家是能看到类比之间的类比的人。
太阳必须落下才能升起。