Calligraphy is immortal.

Holding morality, pushing goodness and seeing beauty for a long time are kindness, optimism and happiness. Optimism without sadness can prolong life. This sentence is a couplet written by calligrapher Yang Yisun. Yang Yisun was a calligrapher in Qing Dynasty. The word Yu Zi, Yuzi's work, is called Wing Chun, and the night number is written. He is a layman in Guan Hao and a native of Changshu, Jiangsu.