The difference between theory and practice is that in theory, there is no difference between theory and practice, but in practice, there is.

Patriotism is the virtue of the vicious.

The most sustainable competitive advantage is a culture of continuous learning.

最大的风险是不冒任何风险。在一个快速变化的世界里，唯一注定失败的策略就是不冒险。

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。