2. The author is sad when he is happy, and sad when he is happy to the extreme. With the change of his feelings, the article changed from calm to calm, then to ups and downs, and then the preface to Lanting Collection became a masterpiece.
3. The Preface to the Orchid Pavilion narrates the beauty of the landscape around the Orchid Pavilion and the joy of the party, and expresses the author's feelings about the impermanence of life and death.
4. Preface to Lanting shows the highest realm of Wang Xizhi's calligraphy art, and the author's tolerance, phoenix spirit, mind and feelings are fully displayed in this work. The ancients said that Wang Xizhi's cursive script is like "the breeze comes out of the sleeve and the next month comes into my arms", which is a wonderful metaphor.