When crisis comes, true leaders must dare to take responsibility and make quick decisions.

团结是人民的柔情。

Lisp is worth learning for the profound enlightenment experience you will have when you finally get it; that experience will make you a better programmer for the rest of your days, even if you never actually use Lisp itself a lot.

The goal of software engineering is to control complexity, not to create it.

模型的好坏取决于其假设。

我画得越多，就越发现自己。