If there's a book that you want to read, but it hasn't been written yet, then you must write it.

Thought is a biological function with survival value.

历史学家必须与其研究对象有某种亲缘关系。死者不会开口，除非你以恰当的方式呼唤他们。

生活，我们在世上是为了对它尽力增益，而不是从中竭力索取。