The world is full of stories, but the stories are all one.

The difference between theory and practice is that in theory, there is no difference between theory and practice, but in practice, there is.

电子并非一个简单不可分割的实体，而是一个复杂系统，其行为只能通过量子力学定律来理解。

生活是世界上最罕见的事，大多数人只是存在而已。