"When I believe in something, I'm like a dog with a bone."

出自《魏源集·默觚下·治篇五》。三代以上，天都跟现在的天不一样，地都跟现在的地不一样，人也跟现在的人不一样，物也和现在的物不一样。

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

写作是开始一段没有地图的旅程，发现内外的新世界。