The tragedy of great power politics is that even well-intentioned states are forced to act in ways that can lead to conflict and war.

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。

Truth is like the sun; you can shut it out for a time, but it's not going away.

最可持续的建筑是用户喜爱和维护的建筑。

人は、自分が幸せになるために、他人を不幸にする。

"We do not write because we want to; we write because we have to."

当你定义自己的风格时，你就限制了潜力。