It has three volumes. Liang Qichao gave his high praise to Zeng Guofan: Zeng is among the greatest people throughout Chinas history, and even the world. Chiang Kai-shek told his son Chiang Chi-kuo: As for methods of reading and calligraphy, you can find them in home letters and instructions by Zeng Guofan. If you can spend time on them, you will be benefited both for Chinese studies and for morality building, which help you become a real statesman. You should not neglect them as they are outmoded. Mao Zedong told his friend Li Jinxi: My personal idea is that Zeng Guofan is the greatest man in Chinas modern history. His talent is presented by the war against the Taiping Heavenly Kingdom.