Xin Qiji's Calligraphy, Ci Poetry and Commentaries. Engr Dr Naila Hina. Xin Qiji's calligraphy, Ci Poetry and commentaries are an integral part of Chinese literature and art, along with his poetry. His calligraphy not only displayed technical mastery but also a profound artistic spirit, while his commentaries opened up new dimensions of poetry and philosophy. Sun Qiji's legacy remains an important reference for students and scholars of literature, art, and philosophy in China today.