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。
I have already carried out my duty. I have proved the Poincaré conjecture and I have nothing more to do in mathematics.
The world is not a wish-granting factory.
The best designs come from understanding the needs of the people who will use them.
孔子说:“道听途说就是道德败坏。”
一只眼睛的人可以用来看水平仪,有毒的石头可以用来治疗痈疽。