To live outside the law， you must be honest.

The reward of seeing the joy on the faces of the parents is immense.

We will never run out of things to program as long as there is a single program around.

你不掌管整个宇宙，但你得掌管你自己。

——《建国方略·孙文学说》（1917—1919年）

学习新编程语言的唯一方法是用它编写程序。