从人性的本原来看,曹雪芹的“各自性情不同”说指出了人性是由宇宙之气相磨相荡化育而来,其核心是人的本质问题,而其延展则是社会政治伦理的建构。“各自性情不同”说的不足之处主要表现在其理论基础是抽象的先验的理性原则,根本不可能解决现实社会中存在的日益激化的社会矛盾。这是曹雪芹的悲哀之处,这种历史局限性是他所生活的时代造成的,因而也是无法避免的。 Judging from the original human nature, Cao Xueqin’s “different temperaments” pointed out that human nature is nurtured by the vapor phase of the universe and its essence is the essence of human beings. Its extension is the construction of social and political ethics . “Different temperaments, ” said the shortcomings mainly in its theoretical basis is the abstract a priori rational principle, it is impossible to solve the increasingly intensified social conflicts exist in the real world. This is the tragedy of Cao Xueqin. This historical limitation is caused by the era in which he lives. It is also unavoidable.