所有人要么是自由的，要么是奴隶。

Respect your efforts, respect yourself. Self-respect leads to self-discipline. When you have both firmly under your belt, that's real power.

The past is a shadow that follows us, always present, always influencing.

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。