In Sun Quan's persuasion, what was the most important thing that made Lv Meng change his mind?

Quan said, "You must learn to be an official today!"

Here's the thing: Sun Quan advised school.

Original text:

At the beginning, Sun Quan said to Lv Meng, "You are in charge now, not to study!" ! "Lv Mengyong army has all kinds of excuses. "I don't want you to be a doctor alone! But when you dabble, look over. Too much talk, who is lonely? I often study alone, and I think it is very beneficial. " Monroe began to study. After Lu Su visited Yang, he consulted with Meng and said in shock, "You are a talented person, not a monk under the martial arts!" Lv Meng said, "honest people have read it for several days. You know how late it is to see things so late. "Lu Su met Lv Meng's mother and became friends with Lv Meng.

Translation:

At first, Sun Quan, the king of Wu, said to the general, "You are now in an important position and have great power. You should study hard!" Lv Meng refused on the grounds that there were many military affairs. Sun Quan said, "Do I want you to learn classics and become a learned man? You only need to learn knowledge extensively, and you don't need to study deeply. You said you had a lot of things to deal with, which one can compare with me? I often read books and feel that I have gained a lot. " Then Lumeng began to study.

Lu Su, a famous Soochow player, passed by here to discuss world affairs with Yang He. Lu Su was very surprised when he heard this opinion, and said, "Your current talent and strategy are no longer comparable to those of that year!" Lv Meng said: "For ambitious people, after a few days apart, you should polish your eyes and re-examine his talents. Dude, why do you see things so late! " Then Lu Su visited Monroe's mother, became friends with Monroe, and then left.