Who is the hero of Luoyang Gui Zhi? What does this allusion mean?

The hero of Luoyang Paper Expensive is Zuo Si. Luoyang paper is expensive, which means that people are competing to copy, which makes the price of paper rise, which means that the works are very popular. The hero of Luoyang Paper Expensive is Zuo Si, and the work that makes Luoyang Paper Expensive is Zuo Si's Sandu Fu.

Zuo Si's background is actually very general. His father is a local official. His family can only be considered well-off, not rich. Zuo Si was very playful when he was a child, and his father was very sad about it. Zuo Si's father invited many teachers for him, looking for paintings, vocal music and articles, but Zuo Si didn't learn any of them well. Later, when my father was chatting with friends, he said that left thinking was stupid, and it was not as good as when I was a child. After listening to Zuo Si outside, he decided to make contributions to his father.

Later, Zuo Si, who studied hard, really quickly became famous in the local area, but he didn't like to associate with other people. The reason is also very simple. Zuo Si is ugly and inarticulate, preferring to stay at home. Contrary to Zuo Si's mediocre appearance and personality, his writing style is famous for his gorgeous rhetoric.

Later, Zuo Si's sister was called into the palace and their family moved to Luoyang. At this time, Zuo Si had the idea of writing Sandu Fu. The three capitals here refer to Chengdu, Jianye and Ye, the capitals of Hou, Wei, Shu and Wu during the Three Kingdoms period. However, due to limited personal experience, Zuo Si needs a lot of information.

Zuo Si got the position of doctor in order to write Sandu Fu. Secretary Lang is a proofreader and collator of the National Library. Zuo Si found the information he needed from the National Library and interviewed relevant personnel. Finally, he got all the materials he needed. Then Zuo Si began to forget all about eating and sleeping, and it took ten years from preparing materials to Zuo Si's maturity. After the book Sandu Fu was written, it was appreciated and admired by many people, and many wealthy families rushed to copy it. Luoyang paper price once soared.