The concept of will is unnecessary in explaining behavior.
To write is to breathe, and to breathe is to live.
The writer must be able to superintend himself and criticize himself.
模糊集的概念为构建一个在许多方面与普通集框架平行的概念框架提供了一个方便的出发点。
Innovation should never be for its own sake—it must serve a real purpose.