You are never too old to set another goal or to dream a new dream.

I don't like to talk too much, I prefer to let my racket talk.

人生就像一场逆行的旅程，我也只是其中的一个过客。

The Internet is a network of networks, governed by the principle of interoperability.

自守形式的研究是数学思想深度的反映。

Never stop learning—the moment you do, you fall behind.

你知道得越多，就越意识到自己知道得多么少。

认证体系是负责任林业的语法，它们为我们良好的意愿提供了结构。