We now have to inquire about justice and injustice, and to ask what sorts of acts they are concerned with, and in what sense justice observes the mean, and what are the extremes whose mean is that which is just. And in this inquiry we will follow the same method as before.
We see that all men intend by justice to signify the sort of habit or character that makes men apt to do what is just, and which further makes them act justly 92 and wish what is just; while by injustice they intend in like manner to signify the sort of character that makes men act unjustly and wish what is unjust. Let us lay this down, then, as an outline to work upon.