The hardest thing to learn in life is which bridge to cross and which to burn.
The past is not lost; it is encoded within us.
We must face our fears and pain through writing.
Mathematics is the language in which the gods talk to people.
出自《海国图志》。这种风气一旦开启，智慧的日头就会出现，才可以见到东海的百姓，和西海的百姓没什么区别。
我能计算天体运行的轨迹，但无法计算人类的疯狂。
预测未来的最好方法就是发明它。
The true art of memory is the art of attention.