伟大的哲学家是那些有勇气为自己思考的人。
The great philosophers are those who have the courage to think for themselves.
一个人知道自己为什么而活，就可以忍受任何一种生活。
The ideas of economists and political philosophers， both when they are right and when they are wrong， are more powerful than is commonly understood. Indeed the world is ruled by little else. Practical men， who believe themselves to be quite exempt from any intellectual influence， are usually the slaves of some defunct economist.
格言是智慧耐用的替代品。
We are all just passing through, and the world is indifferent to our passing.
纸张不仅仅是一种材料，它是传统与创新之间的桥梁。