"Harmony is precious" is a calligraphy art calligraphy group written by Li Banli, the former chairman of Sichuan Calligraphy Association and a famous calligrapher. There is a word in the middle, and a word on each side uses the middle "mouth", which constitutes this famous calligraphy work.
Explain that "goodness" is the source of "harmony" and "harmony" is the state of "goodness". It means being kind to others and attaching importance to harmony.