Lu Chih-tse says that in the beginning, the students really didn't write very well. However, by the time he got their third set of works to critique, he noted that they had already begun to improve. This was heartening.
呂則之也指出，剛開始學生的文字並不好，但他收到第三次稿件時，發現學生突然進步很快，讓他非常振奮。