我们都是自己欲望的囚徒。
"We are all prisoners of our own desires."
牛马生着四足，这是天性；给马戴上笼头，给牛穿上鼻绳，就是人为。所以说，不要人为毁灭天性，不要用故意造作去毁灭天命，不要以德行去为名利殉葬，谨守天道勿使丧失，这就叫返归本真。
The process of doing mathematics is more important than the result.
The only sensible ends of literature are, first, the pleasurable toil of writing; second, the gratification of one's family and friends; and lastly, the solid cash.
更快、更高、更强。