旷世奇书《夜航船》中记载有这样一则故事徐九经在句容县当县令时,曾经画了一幅青菜图挂于大堂之上,并在上面写下了“民不可有此色士不可无此味”的字样。以此自律自勉,好让自己上无愧于天,下无愧于地,中间无愧于自己的良心。而事实上,徐九经也忠实地实践了自己“当官不为民做 Kuangshi wonders such as “night sailing ship” recorded such a story Xu Jiu Jing in Jurong County as county magistrate, once painted a vegetable chart hung above the lobby, and wrote on the “people can not have this Tse Shi Can not have no taste ”message. As a self-encouragement, so that they worthy of the sky, worthy of the ground, the middle worthy of their own conscience. In fact, Xu Jiu-jing has also faithfully practiced his own “officials do not do for the people.”