Research on the ethical thought of ancestor worship Research on the ethical thoughts of Yen-Li school Research on the ethical thought of Chinese Pure Land Sect Research on the editorial thoughts of confucian classics Research on the ethical value of utopian spirit Research on the ethnic work of new China Research on the ethical regulation of digital twin Research on the Marxist thought of criminology Research on the ethic of the modern university system Research on the thought of Luo Yinong