The end of history will be a very sad time. The struggle for recognition, the willingness to risk one's life for a purely abstract goal, the worldwide ideological struggle that called forth daring, courage, imagination, and idealism, will be replaced by economic calculation, the endless solving of technical problems, environmental concerns, and the satisfaction of sophisticated consumer demands.

数学不仅仅是关于数字、方程、计算或算法：它是关于理解的。

You must force yourself to consider opposing arguments.Especially when they challenge your best-loved ideas.

外国势力似乎并不理解我们政府的真正特性。

如果你相信每个生命都是平等的，那么当你发现某些生命被挽救了，而另一些生命被放弃了，你会感到无法接受。我们对自己说：“事情不可能如此。如果这是真的，那么它理应是我们努力的头等大事。”

"Escribir es un acto de resistencia contra el olvido."

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。

当有人真正倾听你而不对你做出评判，不试图为你承担责任，不试图塑造你时，感觉真是太好了！

The best companies don't just sell products; they sell experiences and trust.