The creation of calligraphy art, like other arts, requires not only skillful techniques, but also training and cultivation in literature, aesthetics and art, with a wider level of knowledge and a deeper artistic foundation. Especially poems and songs, China ancient couplets, this is not a word of kung fu at all, but an out-and-out word of kung fu, which must be learned and refined. Writers don't have to learn calligraphy, and calligraphers don't have to learn literature.