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。
The most beautiful as well as the most ugly inclinations of man are not part of a fixed biologically given nature, but result from the social process which creates man.
我不让成功冲昏头脑。
永远不要停止质疑，即使答案似乎已经确定。
The act of creation is an act of revelation.
In the ocean of science, everyone is a student, there is always something new to learn.