The calligraphy works with the background of this picture.

This is Wang Duo's "visiting post". Tang Ruowang's Poems is eight poems written by Wang Duo. This book is a paper book, 18 pages, 1 13 lines, 633 words. It was written by Wang Duo after he was 50 years old. To "Mr Tao Tang Wei", namely Tang Ruowang. German Catholic missionary Tang Ruowang will come to China next year (1622). Proficient in astronomical calendar, enjoying a high reputation in China. His books are vigorous and steep, representing the basic style of his mature running script.