Mr. Daren’s biography is the article that Ruan Jyi interpreted the absolute freedom of the spirit of Jruandz’s thought. Mou Dzueng-san thought Ruan Jyi desired the state of the freedom of the spirit for the sake of raging momentarily against untrue moral rules. As a matter of fact, he didn’t have the self-cultivated ways as Jrandz’s. Whether Ruan Jyi had Jruandz’s self-cultivated ways or not, he indeed deliberated about not only the idea of the state of the spirit of perfect characters but also the self-cultivated ways of the freedom of the spirit perfect characters how to get. The article is based on Ruan Jyi’s criticism for the learned, the person renouncing things of the world, and the chop material person in Mr. Daren’s biography to study the self-cultivated ways of perfect characters.