How specific can the line be 丨 Gao'an calligraphy

Gao Que (高垲), zi shuangquan, Qing Dynasty Qian Tang dynasty, calligraphy deeply rooted in the essence of Chu Suiliang, Ouyang Inquiry, at the same time good at painting flowers, birds, insects and fish, seal carving is also beautiful and powerful. The following information is the complete text of Gao's book "Preface to the Tengwang Pavilion", which can be called a representative work of Gao'an calligraphy.