The writer must believe that what he is doing is the most important thing in the world. And he must hold to this illusion even when he knows it is not true.
这是我的一个秘密，再简单不过的秘密：一个人只有用心去看，才能看到真实。事情的真相只用眼睛是看不见的。
The beauty of an algorithm lies in its simplicity and efficiency.
