It is said that the earliest origin of "Shuxiang" is because the fragrance of this weed plant can kill bookworms. Scholars who love books as much as their lives put weeds in books and call their fragrance "scholarly". The famous Tianyige Library is known as "the book without moths", which is said to be because there are weeds in every book. Because of the affinity between rutting and books, other things related to weeds have become titles related to books. For example, the bookkeeper of an ancient school had a nice name: "Ruxiangli". The poet Bai Juyi once served as this official. There is always grass in the library, and there are such sayings as "cloud window", "cloud department" and "cloud province" in the study. For example, in the Tang Dynasty, Xu Jian's "Beginners" said: "If incense is made of paper fish, the book collection desk is also called Yuntai." These words all contain a hint of scholarly atmosphere, expressing people's admiration for scholarly style, cultural aesthetics and noble spirit.
The vicissitudes of life have passed, and the wind is surging. Over time, it is not easy for modern ordinary literati to see the grass. Even if it is moth-proof, people mostly use mothballs, sandalwood tablets and the like. For the literati who are good at imagination and nostalgia, I'm afraid it's only the inexhaustible historical memories and personal thoughts contained and accumulated in the pale picture scroll. Intoxicated, what is a book? I'm afraid no one can say for sure.