释义：应当成为秋霜，而不是围栏里的羔羊。  

When a child asks an endless string of “why？” questions， the smartest reply is， “I don’t know， what do you think？”

看见即遗忘所见之物的名称。

Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding.

纯粹适用的语言适用性很差。