TY - Front. Philos. China A1 - GUO Yi T1 - The Origin and Differentiation of the Theories of Human Nature in Pre-Qin China Y1 - 2015-06-19 JF - Frontiers of Philosophy in China JO - Front. Philos. China SP - 212 EP - 238 VL - 10 IS - 2 UR - https://journal.hep.com.cn/fpc N1 - 10.3868/s030-004-015-0017-9 ER -