The function of art is to do more than tell you what you already know.
"The soul becomes dyed with the color of its thoughts."
仓库里空虚了日子就会难，子孙愚笨了怎么知晓礼义呢？
解释：做朝廷的臣，应该尽忠职守勇于谏言，做百姓的君王，应该广开言路不堵塞民声，才是国家的福泽。