The key is to set realistic customer expectations, and then not to just meet them, but to exceed them — preferably in unexpected and helpful ways.

技术没有边界，但商业要聚焦。

You don't have to be a genius or a visionary to succeed. You just need to be persistent.

A belief is like a guillotine, just as heavy, just as light.

记录程序的最好方法是记录它。

The power of abstraction allows us to see the common threads that run through seemingly disparate problems.