如果你想理解功能，就去研究结构。

要了解程序，您必须同时成为机器和程序。

The purpose of a habit is to remove that action from self-negotiation. You no longer expend energy deciding whether to do it. You just do it. Good habits can range from telling the truth， to flossing

故事不是谎言，但也不是真相。