数学不知道种族或地理界限；对于数学来说，文化世界是一个国家。

I'm my own experiment. I'm my own work of art.

The challenge for modern states is to maintain their legitimacy while also being effective in providing services and maintaining order.

以太网被设计成简单、廉价且能够处理广泛应用的网络。

"A story can change the world, one reader at a time."

我不是为了记录而打球，我打球是因为我爱这项运动。

有时候你无法独自完成。