It is simple enough to say that since books have classes - fiction, biography, poetry---we should separate them and take from each what is right that each should give us.

• 既然书籍有不同的门类,如小说、传记、诗歌等,我们就应该把它们区分开来,并从每种中汲取它应当给我们提供的正确的东西,这话说起来固然容易。