对付一个不自由的世界唯一的方法就是变得如此绝对自由，以至于你的存在本身就是一种反叛。
The most important single aspect of software development is to be clear about what you are trying to build.
解释：药材的使用方法有做成丸剂的，有做成散剂的，有水煮的，有用酒浸泡的，说明了药材使用的多样性。
构建软件系统最困难的部分是准确决定要构建什么。
The best art comes from the heart, not the mind.
The principal object of management should be to secure the maximum prosperity for the employer, coupled with the maximum prosperity for each employee.