In mathematics, you don't understand things. You just get used to them.
在数学中,你并不理解事物。你只是习惯了它们。
毁灭自己的错误胜过毁灭他人的错误。
在数学中,最简单的问题往往导致最深刻的发现。
The internal point of view is crucial for understanding the nature of law.