According to Kang Youwei, among the ancient and modern, only Nanbei and Wei are the most important ancestors. Why is Ke Zong? He said: There are ten beauties: one is strong courage, two is vigorous atmosphere, three is leaping brushwork, four is bold and thick stipples, fifth is strange and elegant mood, sixth is spirit is flying, seventh is full of interest, eight is It is said that the bone method is profound, the ninth is that the structure is natural, and the tenth is that the flesh and blood are rich. Among the ten beauties, only Wei Stele and Nan Stele have it. The Qi steles are only thin and hard, while the Sui steles are bright and bright. Except for "Juan Shuluo", "Zhu Junshan", "Longzang Temple" and "Cao Zijian", there are no beautiful ones. Therefore, they are called Wei Bei and Nan Bei Kezong. Today, Kangnanhai couplets written in Wei style are probably not as good as one or two of the ten. Gengzi wrote Shi Chunmao three days after the autumnal equinox.