The true historian is a soldier of truth.

时间并不存在。对于河水来说，只有当下。没有过去，没有未来。

The greatest glory in living lies not in never falling, but in rising every time we fall.

The art of medicine consists in amusing the patient while nature cures the disease.

在计算机科学中，抽象是管理复杂性的关键。