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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.
我已经履行了我的职责。我证明了庞加莱猜想,我在数学上没有什么可做的了。
The best way to predict the future is to invent it.
最可怕的怪物是潜伏在我们灵魂深处的那些。
Coal’s future depends on our ability to make it cleaner and more efficient.