Preface to the Orchid Pavilion was a calligraphy essay written by a famous calligrapher in the Tang Dynasty. It was hailed as a classic in the history of Chinese calligraphy. The full text has 48 lines, each line has 6 Chinese characters, the full text has 256 Chinese characters. The following is the full text of the Preface to the Orchid Pavilion: ``` At the banquet in Lanting, all the wise men, young and old, gathered together. Here, there are mountains, forests and bamboos The running water gurgled, the rooster crowed and the dog barked The spring breeze and rain make everything spring. Time: Tang Taizong Zhenguan ten years (AD 636) ``` The Preface to the Orchid Pavilion was known as the pinnacle of Chinese calligraphy with its unique calligraphy style and beautiful artistic conception. His writing style was smooth and elegant, and his structure and strokes were exquisite. He was known as "the world's first semi-cursive."