Lu Jiugao was born in a scholarly family. Less educated by the clan uncle Lu, educated by the fellow philosopher Chen Dao. Later, he went to Jianning, Fujian, where he studied ancient Chinese in Zhu Shizhen. During his hometown, he devoted himself to learning knowledge and teaching ancient Chinese methods to the Yi people. His writing style is "simple and indifferent, without carving, circuitous and repetition, so that everyone can get his own solution", and his nephew Chen Yongguang also got his biography. Advocate practical learning and avoid grandstanding. Chen Xizeng, Chen Xizu and Chen Yongguang are all his favorite students. He has close contacts with Yao Nai, a representative of Tongcheng School. He asked Nai for advice on ancient prose methods and discussed various problems in the ancient prose movement with letters, which was deeply influenced by Yao. It has played an important role in the ancient prose movement advocated by Tongcheng School, so it is famous far and wide.
There are many good deeds, and fame is more important than hometown. The principle of being ashamed of filial piety exhorts neighbors. For the poor, advocate the establishment of a righteous field and persuade people outside the country to donate money to the valley relief; There are doubts and disputes in the village, and mediation is always given according to good guidance, which makes the wind of courtesy prevail.
Lu Jiugao preached Zhu Cheng Neo-Confucianism and was good at composing music and techniques. After his death, Yao Nai wrote in his epitaph: "Look at his words and deeds, be respectful, and know his way of studying;" After reading his article, you can learn to be a gentleman with a relaxed figure. The prosperity of ancient prose research in Xincheng originated from elegance. "