我不觉得有义务相信，那位赋予我们感官、理性和智力的上帝，会希望我们放弃使用它们。

The most important part of teaching is to teach what it is to know.

The most important single aspect of software development is to be clear about what you are trying to build.

引用李希贵

数学不是一项观赏性运动。