The answer is that justice is of use in contracts, and contracts are money partnerships. 柏拉图.理想国.
I am aware of the contract-grafts, the franchise-steals, the dirty streets, the bribing and the blackmail, the vice-and-crime partnerships, the Big Business alliances of Tammany Hall. 沃尔特·李普曼.政治序论.
And by contracts you mean partnerships? 柏拉图.理想国.
Yes; but how in such partnerships is the just man of more use than any other man? 柏拉图.理想国.