What is the meaning of friends in Yu Qiuyu’s theory of fear of friends?

Friends in Yu Qiuyu’s Theory of Fear of Friends is the meaning of books. Yu Qiuyu's Weiyou reading method. Essayist Yu Qiuyu proposed that we should strive to find "fearful friends" who are higher than ourselves, so that reading can become an enterprising activity that is both friendly and requires a lot of mental energy. Try to reduce the level of reading that is basically the same as your own level, and be willing to accept the shaping of yourself by good books.