Page:The ethics of Aristotle.djvu/139

 and will exceed the untouched line by that portion. And these terms loss and gain are derived from voluntary exchange: that is to say, the having more than what was one's own is called gaining, and the having less than one's original stock is called losing; for instance, in buying or selling, or any other transactions which are guaranteed by law: but when the result is neither more nor less, but exactly the same as there was originally, people say they have their own, and neither lose nor gain. So then the Just we have been speaking of is a mean between loss and gain arising in involuntary transactions; that is, it is the having the same after the transaction as one had before it took place.

There are people who have a notion that Reciprocation is simply just, as the Pythagoreans said: for they defined the Just simply and without qualification as “That which reciprocates with another.” But this simple Reciprocation will not fit on either to the Distributive Just, or the Corrective (and yet this is the interpretation they put on the Rhadamanthian rule of Just,

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for in many cases differences arise: as, for instance, suppose one in authority has struck a man, he is not to be struck in turn; or if a man has struck one in authority, he must not only be struck but punished also. And again, the voluntariness or involuntariness of actions makes a great difference.

But in dealings of exchange such a principle of Justice as this Reciprocation forms the bond of union; but then it must be Reciprocation according to proportion and not exact equality, because by proportionate reciprocity of action the social community is held together, For either Reciprocation of evil is meant, and if this be not allowed it is thought to be a servile condition of things: or else Reciprocation of good,