"Be" and "Should be":Two Dimensions of Pre-Qin Confucians' Views on Human Nature

Be and should be are the two dimensions of Pre-Qin Confucian's viewpoints on human nature.The former dimension of human nature is be,and the latter dimension of human nature is should be.In order to eliminate the tension and conflicts between these two dimensions,and to finally realize the should be dimension of human nature,these two viewpoints on human nature put forwards each others' way to unite with each other in the end.