What is Su Shi's poetic theory?

Su Shi's literary view comes down in one continuous line with Ouyang Xiu's, but he emphasizes the originality, expressiveness and artistic value of literature. His literary thoughts emphasize "doing something and not doing something", advocating nature, getting rid of bondage, and "innovating statutes and releasing wonderful ideas". He believes that composition should be "like running water, with no definite quality at first, but always do what you should do and always stop where you can't stop." The artistic realm of "natural arts and sciences, rich body" ("Thank the teacher's book"). Su Shi's prose works are rich, and he is also known as Han Yu, Liu Zongyuan and Ouyang Xiu. The style of the article is concise and smooth, and it is unrestrained. Romanticism, which opened up a new road for the development of Song poetry. His poems are fresh and vigorous, good at using exaggerated metaphors and unique in artistic expression. Su Shi's ci style can be divided into three categories: one is bold style, which is the ideal style that Su Shi deliberately pursues. With abundant, passionate and even slightly sad feelings, he wrote a portrait of Chen Hongshou painting Dongpo in the late Ming Dynasty, winning with generous and heroic images and magnificent scenes. 2. Broad-minded style This is the most representative of Su Shi's thought and personality characteristics, expressing the poet's desire to retire, avoid troubled times and look forward to peace. 3. Graceful Style The number of graceful words of Su Shi accounts for an absolute proportion in the total number of words. These words are pure and profound in feelings and healthy and lofty in style, and they are also the inheritance and development of traditional graceful words.