作者在该书的《引言》中说 :“正义有两个相反相成的侧面 :一方面 ,作为利益交换的规则 ,正义是有条件的 ;另一方面 ,作为道德命令 ,正义又是无条件的。”“有条件性和无条件性同为正义的基本属性 ,舍其一正义则不复为正义。但是 ,正义的这两个方面看起来又是相互矛盾 ,无法并 In the introduction to the book, the author states: “Justice has two opposing sides: On the one hand, as a rule of exchange of interests, justice is conditional; on the other hand, as moral order, justice is unconditional.” "Both the conditional and the unconditional are the basic attributes of justice, and the sacrifice of oneness is no longer just. However, these two aspects of justice appear to be contradictory and can not be reconciled