First of all, the quality of calligraphy is truly ideal, and everyone has their own ideas. In particular, different genres of calligraphy tend to underestimate literate people. But more importantly, calligraphy requires enough time to practice! ,In the palace, Bo Niem bowed slightly and reported to Tan Hoang Huy: "According to Tan Thien Kiem Trinh Duong Thanh Nguyen's report, so Liu Nai has entered the capital."