Source: Historical Records Biography of Lian Po and Lin Xiangru: Zhao Kuo, the son of Zhao She, was a famous soldier of Zhao in the Warring States Period. He studied the art of war when he was young, but his father could not beat him in military affairs. Later, he succeeded Lian Po as Zhao Jiang in the Battle of Changping. I only knew how to act according to the art of war, but I didn't know how to be flexible. As a result, I was defeated by Qin Jun.
What you get on paper is so shallow that you never know what you have to do.
Meaning: The knowledge gained from books is superficial after all, and the true meaning of knowledge cannot be understood. To truly understand the profound truth in books, you must practice it yourself.
From: "Reading on a Winter Night" Time: Song Author: Lu You Genre: The Seven Unique Ancient Scholars have no strong points, but it takes a long time to get old.
What you get on paper is so shallow that you never know what you have to do.
The knowledge gained from books is relatively shallow, and only through personal practice can it become your own thing.
Didn't you say you could go to Wan Li Road to study in thousands of books?
Isn't it said that practice is the only criterion for testing truth?
Thesis refers to books and theoretical knowledge learned from books. So whether this knowledge is right or not, and how much you have mastered this knowledge, you should do it yourself (act, practice and try).
It is better to go back to the current and build a net.