We observe, then, that everyone intends, in referring to “justice,” to mean that condition of character which makes someone the sort of person who does just actions, and responds justly, and who likes to see justice done. In the same way, by “injustice” they mean that which makes someone the sort of person who acts unjustly and likes to see injustice done. Very well, then, for a start, let us adopt these as schematic definitions.

Justice is that with respect to which a just person is said to be the sort of person who, of his own choice, does what is just, and who distributes goods, both to himself in his dealings with others, and to others in their relations to one another, not in such a way that he gets more of what is desirable, and his neighbor gets less (and contrariwise for harmful things), but rather in such a way that he gets an equal amount (that is, a proportionately equal amount), and, likewise, when he distributes goods to others, and he's not himself involved, he does so in such a way that the others each get an equal amount (again, a proportionately equal amount).[…]