定义就是限制。

"The great secret that all old people share is that you really haven't changed in seventy or eighty years. Your body changes, but you don't change at all. And that, of course, causes great confusion."

在中国取胜，你需要第一个规模化，而不是第一个进入市场。

我们在自然知识中前进得越远，就越发现最普遍的定律是最简单的。