Emperor Taizong (1) went to court (2), and Wang wrote a book about the right army (3), which won him the law and served the Hanlin (4). The emperor listened to politics, paid attention to writing, and sent several attendants to read books. Every time I think that I am not good, Taizong Yi deliberately goes to school. Ask again, as before. Or ask what it means and write: "The book is solid. If you call it good, you will be afraid that the emperor will lose his intention. " Later, the emperor's brushwork was excellent, surpassing ancient times, and the world thought it was conducive to rules.
(Wang Bizhi's Notes on Swallows in Lushui)
It means that in the dynasty ruled by Song Taizong, there was a Wang Zhu who studied Wang Xizhi's calligraphy, absorbed the essence of Wang Xizhi's calligraphy and was elected as an academician. When Taizong was in the imperial court, he liked to practice calligraphy. On several occasions, he asked the housekeeper to give Wang Zhu comments with her own works. Wang Zhu often thinks that it is not perfect. So Emperor Taizong studied more attentively, and then which work was evaluated by Wang Zhu, he still said as usual that it was not good enough. When someone asked him what he meant, Wang Zhu said, "The handwriting written by Emperor Taizong is already very good, but if it is said that it is well written at once, I am afraid that the emperor will no longer write with his heart." Later, Taizong's calligraphy was excellent, surpassing the ancients, and the world believed that Wang Zhu encouraged him.