出自《抱朴子·广訾》。病到很急的时候就会觉得良医是重要的了，世道动乱的时候就会觉得忠贞的臣子是重要的了。

Every act of creation is first of all an act of destruction.

Sustainability isn't an option—it's a necessity if we want to feed a growing population without destroying our planet.

You think you know when you can learn, are more sure when you can write, even more when you can teach, but certain when you can program.

工作中的快乐秘诀在于一个词——卓越。知道如何做好某件事就是享受它。

如果我是艺术家并且我在工作室里，那么我在工作室里做的任何事情都必须是艺术。