量子力学的数学形式不仅是一种工具，更是一种揭示自然深层结构的语言。
The first step in liquidating a people is to erase its memory. Destroy its books, its culture, its history. Then have somebody write new books, manufacture a new culture, invent a new history. Before long the nation will begin to forget what it is and what it was. The world around it will forget even faster.
There is no real ending. It’s just the place where you stop the story.
知识的最大敌人不是无知，而是知识的幻觉。
