The course of history is shaped by the will of individuals.
真正的探索者不是寻找的人，而是已经找到的人。
The only way to get rid of a temptation is to yield to it.
成功的最好方法是相信自己。
Freedom and responsibility are inseparable.
The concept of infinity is not just a mathematical abstraction, but a physical reality.
The historian must have some kinship with his subject. The dead will not speak unless they are properly addressed.
