默记所学的东西，坚持学习而不厌烦，教诲别人不知疲倦。

"写作是一种勇气，敢于面对自己的内心和世界的真相。"

The stranger is close to us, insofar as we feel between him and ourselves common features of a national, social, occupational, or generally human, nature. He is far from us, insofar as these common features extend beyond him or us, and connect us only because they connect a great many people.

And America, too, is a delusion, the grandest one of all.

数字革命不仅是经济问题，更是文化和民主问题。