Since Qin and Li Dynasties, there have been traces of Cang Xie and historical books, which have been changed into new ones, specializing in Xiao Zhuan, which lasted for more than a thousand years from Han, Wei and Jin Dynasties to Sui and Tang Dynasties. Scholars only attack the real grass and abandon the study of seal script. Yang Bing was born in Kaiyuan, and began to study Li Si's Yi Shan Bei. Later, he saw the epitaph of Wu, and he made an in-depth excavation of the primary school and got its source, which means there is no stippling, only some lettering. Taste and sigh: "Heaven has not lost its grace, so our son has the purpose of printing." It takes books as its responsibility, and so does it. The contemporary speakers all fell for it, thinking it was magnificent, energetic and well-prepared, even bigger than Qin Si. Praise said, "Si has gone for a thousand years, and in the Tang Dynasty, he was born in ice and returned in ice. Who came later? " There are still people in the next Millennium, who can stay? After a thousand years, no one will stop here! "Since the ice, scholars have not fallen, but no one can reach it, although it is excited by the residual wind. His early calligraphy and calligraphy were poor and thin. After Dali, the next year, the monument was sealed and the brushwork became more and more vigorous. Li is a famous seal script writer in Tang Dynasty. Critics believe that the circle of seal script is weaker than the bone, and the softness of seal script is slower than the tendon.
Masterpieces: Three Tombs: the Temple Monument of the City God and the Temple Monument of Yan Jia.