The aim of proof is to understand, not just to verify.
证明的目的是理解,而不仅仅是验证。
The worst thing in the world that can happen to you if you’re an engineer that has given his life to develop something is for someone to just rip it off.
学习的魅力主要在于心灵在获取知识时体验到的满足感。
我总是在寻找改进的方法。