Study of Tan Sitong's philosophical thinking 并列题名：Study of Tan Sitong's philosophical thinking Study of Van Sitong's philosophical thoughts 并列题名：Study of Van Sitong's philosophical thoughts Study of Tao Yuanming's philosophy and thought Study of Adam Smith's philosophy of rhetoric Study of Mao Zedong's philosophical thoughts on criminal law Study of Deng Xiaoping's military thinking Study of postmodern philosophical movement My philosophical thinking