In 1998, after the young calligrapher Zeng Zhengguo won the national "Lanting Award·Newcomer Award", the famous calligrapher Li Duo specially wrote a poem for Zeng Zhengguo with four feet to express his encouragement: " The strong wind blows the grass, and the fierce fire refines the true gold; without suffering from the cold and frost, the fragrance can hit people. The sharp edge is sharpened, and the jade is carved; how can one master the art without hard work?"