The purpose of abstraction is not to be vague, but to create a new semantic level in which one can be absolutely precise.

人类的大脑天生就寻求模式并建立联系，即使这些模式并不存在。

"Every book is a conversation between the writer and the reader."

我不是老师，我是学生。

最好的营销策略是产品足够好，以至于它能自我营销。