His representative works include Huang Tingjing, Le Yi Lun, Seventeen Guas in cursive script, Gua for Aunt in Running Script, Gua for Quick Snow Clear, Gua for Mourning and Preface to Lanting Collection. Among them, Preface to Lanting Collection is highly praised by calligraphers of all ages and is known as "the best running script in the world".
Related idioms: Get down to business.