This sentence, "The book is elegant in ink rhyme, and the poetic soul is indifferent to the pen", comes from an article on Calligraphy Art Network, entitled "The pen holder in the study: the clear confession of a show". In this article, the author introduces the "pen, ink, paper and inkstone" in China traditional culture in detail, and many auxiliary tools have appeared around these four treasures, such as washing pens, pen containers, nib, inkstone drops, rulers and handrails. This sentence is a compliment to the traditional culture of China, expressing the author's love and admiration for the art of calligraphy.