Success is the sum of small efforts repeated day in and day out.

Abstraction is the key to managing complexity in software systems.

出自《论语·子罕篇第九》。我曾经用尽全力，但是孔夫子仍然卓立在我的面前，我想要去追从他，但是总觉得没有办法能够追上去。

The greatest enemy of knowledge is not ignorance, it is the illusion of knowledge.

在一个国家中，一个公民的自由是对另一个公民自由的威胁。