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The Just, then, is a certain proportionable thing. For proportion does not apply merely to number in the abstract,[10] but to number generally, since it is equality of ratios, and implies four terms at least (that this is the case in what may be called discrete proportion is plain and obvious, but it is true also in continual proportion, for this uses the one term as two, and mentions it twice; thus A:B:C may be expressed A:B::B:C. In the first, B is named twice; and so, if, as in the second, B is actually written twice, the proportionals will be four): and the Just likewise implies four terms at the least, and the ratio between the two pair of terms is the same, because the persons and the things are divided similarly. It will stand then thus, A:B::C:D, and then permutando A:C::B:D, and then (supposing C and D to represent the things) A+C:B+D::A:B. The distribution in fact consisting in putting together these terms thus: and if they are put together so as to preserve this same ratio, the distribution puts them together justly.[11] So then the joining together of the first and third and second and fourth proportionals is the Just in the distribution, and this Just is the mean relatively to that which violates the proportionate, for the proportionate is a mean and the Just is proportionate. Now mathematicians call this kind of proportion geometrical: for in geometrical proportion the whole is to the whole as each part to each part. Furthermore this proportion is not continual, because the person and thing do not make up one term.

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The Just then is this proportionate, and the Unjust that which violates the proportionate; and so there comes to be the greater and the less: which in fact is the case in actual transactions, because he who acts unjustly has the greater share and he who is treated unjustly has the less of what is good: but in the case of what is bad this is reversed: for the less evil compared with the greater comes to be reckoned for good, because the less evil is more choice-worthy than the greater, and what is choice-worthy is good, and the more so the greater good.

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This then is the one species of the Just.

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Chapter VII.

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And the remaining one is the Corrective, which arises in voluntary as well as involuntary transactions. Now this just has a different form from the aforementioned; for that which is concerned in distribution of common property is always according to the aforementioned proportion: I mean that, if the division is made out of common property, the shares will bear the same proportion to one another as the original contributions did: and the Unjust which is opposite to this Just is that which violates the proportionate.

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But the Just which arises in transactions between men is an equal in a certain sense, and the Unjust an unequal, only not in the way of that proportion but of arithmetical.[12] Because it makes no difference whether a robbery, for instance, is committed by a good man on a bad or by a bad man on a good, nor whether a good or a bad man has committed adultery: the law looks only to the difference created by the injury and treats the men as previously equal, where the one does and the other suffers injury, or the one has done and the other suffered harm. And so this Unjust, being unequal, the judge endeavours to reduce to equality again, because really when the one party has been wounded and the other has struck him, or the one kills and the other dies, the suffering and the doing are divided into unequal shares; well, the judge tries to restore equality by penalty, thereby taking from the gain.

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For these terms gain and loss are applied to these cases, though perhaps the term in some particular instance may not be strictly proper, as gain, for instance, to the man who has given a blow, and loss to him who has received it: still, when the suffering has been estimated, the one is called loss and the other gain.

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And so the equal is a mean between the more and the less, which represent gain and loss in contrary ways (I mean, that the more of good and the less of evil is gain, the less of good and the more of evil is loss): between which the equal was stated to be a mean, which equal we say is Just: and so the Corrective Just must be the mean between loss and gain. And this is the reason why, upon a dispute arising, men have recourse to the judge: going to the judge is in fact going to the Just, for the judge is meant to be the personification of the Just.[13] And men seek a judge as one in the mean, which is expressed in a name given by some to judges (μεσίδιοι, or middle-men) under the notion that if they can hit on the mean they shall hit on the Just. The Just is then surely a mean since the judge is also.

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So it is the office of a judge to make things equal, and the line, as it were, having been unequally divided, he takes from the greater part that by which it exceeds the half, and adds this on to the less. And when the whole is divided into two exactly equal portions then men say they have their own, when they have gotten the equal; and the equal is a mean between the greater and the less according to arithmetical equality.

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This, by the way, accounts for the etymology of the term by which we in Greek express the ideas of Just and Judge; (δίκαιον quasi δίχαιον, that is in two parts, and δικάστης quasi διχάστης, he who divides into two parts). For when from one of two equal magnitudes somewhat has been taken and added to the other, this latter exceeds the former by twice that portion: if it had been merely taken from the former and not added to the latter, then the latter would have exceeded the former only by that one portion; but in the other case, the greater exceeds the mean by one, and the mean exceeds also by one that magnitude from which the portion was taken. By this illustration, then, we obtain a rule to determine what one ought to take from him who has the greater, and what to add to him who has the less. The excess of the mean over the less must be added to the less, and the excess of the greater over the mean be taken from the greater.

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Thus let there be three straight lines equal to one another. From one of them cut off a portion, and add as much to another of them. The whole line thus made will exceed the remainder of the first-named line, by twice the portion added, and will exceed the untouched line by that portion.[14] 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,[15] people say they have their own, and neither lose nor gain.

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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.

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Chapter VIII.

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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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If a man should suffer what he hath done, then there would be straightforward justice;”)

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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.[16] And again, the voluntariness or involuntariness of actions makes a great difference.

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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, and if this be not effected then there is no admission to participation which is the very bond of their union.

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And this is the moral of placing the Temple of the Graces (χάριτες) in the public streets; to impress the notion that there may be requital, this being peculiar to χάρις[17] because a man ought to requite with a good turn the man who has done him a favour and then to become himself the originator of another χάρις, by doing him a favour.

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Now the acts of mutual giving in due proportion may be represented by the diameters of a parallelogram, at the four angles of which the parties and their wares are so placed that the side connecting the parties be opposite to that connecting the wares, and each party be connected by one side with his own ware, as in the accompanying diagram.

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[Illustration]

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The builder is to receive from the shoemaker of his ware, and to give him of his own: if then there be first proportionate equality, and _then_ the Reciprocation takes place, there will be the just result which we are speaking of: if not, there is not the equal, nor will the connection stand: for there is no reason why the ware of the one may not be better than that of the other, and therefore before the exchange is made they must have been equalised. And this is so also in the other arts: for they would have been destroyed entirely if there were not a correspondence in point of quantity and quality between the producer and the consumer. For, we must remember, no dealing arises between two of the same kind, two physicians, for instance; but say between a physician and agriculturist, or, to state it generally, between those who are different and not equal, but these of course must have been equalised before the exchange can take place.

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It is therefore indispensable that all things which can be exchanged should be capable of comparison, and for this purpose money has come in, and comes to be a kind of medium, for it measures all things and so likewise the excess and defect; for instance, how many shoes are equal to a house or a given quantity of food. As then the builder to the shoemaker, so many shoes must be to the house (or food, if instead of a builder an agriculturist be the exchanging party); for unless there is this proportion there cannot be exchange or dealing, and this proportion cannot be unless the terms are in some way equal; hence the need, as was stated above, of some one measure of all things. Now this is really and truly the Demand for them, which is the common bond of all such dealings. For if the parties were not in want at all or not similarly of one another’s wares, there would either not be any exchange, or at least not the same.

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And money has come to be, by general agreement, a representative of Demand: and the account of its Greek name νομισμα is this, that it is what it is not naturally but by custom or law (νόμος), and it rests with us to change its value, or make it wholly useless.

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Very well then, there will be Reciprocation when the terms have been equalised so as to stand in this proportion; Agriculturist : Shoemaker : : wares of Shoemaker : wares of Agriculturist; but you must bring them to this form of proportion when they exchange, otherwise the one extreme will combine both exceedings of the mean:[18] but when they have exactly their own then they are equal and have dealings, because the same equality can come to be in their case. Let A represent an agriculturist, C food, B a shoemaker, D his wares equalised with A’s. Then the proportion will be correct, A:B::C:D; _now_ Reciprocation will be practicable, if it were not, there would have been no dealing.

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Now that what connects men in such transactions is Demand, as being some one thing, is shown by the fact that, when either one does not want the other or neither want one another, they do not exchange at all: whereas they do[19] when one wants what the other man has, wine for instance, giving in return corn for exportation.

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And further, money is a kind of security to us in respect of exchange at some future time (supposing that one wants nothing now that we shall have it when we do): the theory of money being that whenever one brings it one can receive commodities in exchange: of course this too is liable to depreciation, for its purchasing power is not always the same, but still it is of a more permanent nature than the commodities it represents. And this is the reason why all things should have a price set upon them, because thus there may be exchange at any time, and if exchange then dealing. So money, like a measure, making all things commensurable equalises them: for if there was not exchange there would not have been dealing, nor exchange if there were not equality, nor equality if there were not the capacity of being commensurate: it is impossible that things so greatly different should be really commensurate, but we can approximate sufficiently for all practical purposes in reference to Demand. The common measure must be some one thing, and also from agreement (for which reason it is called νόμισμα), for this makes all things commensurable: in fact, all things are measured by money. Let B represent ten minæ, A a house worth five minæ, or in other words half B, C a bed worth 1/10th of B: it is clear then how many beds are equal to one house, namely, five.

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It is obvious also that exchange was thus conducted before the existence of money: for it makes no difference whether you give for a house five beds or the price of five beds.

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Chapter IX.

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We have now said then what the abstract Just and Unjust are, and these having been defined it is plain that just acting is a mean between acting unjustly and being acted unjustly towards: the former being equivalent to having more, and the latter to having less.

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But Justice, it must be observed, is a mean state not after the same manner as the forementioned virtues, but because it aims at producing the mean, while Injustice occupies _both_ the extremes.

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And Justice is the moral state in virtue of which the just man is said to have the aptitude for practising the Just in the way of moral choice, and for making division between, himself and another, or between two other men, not so as to give to himself the greater and to his neighbour the less share of what is choice-worthy and contrariwise of what is hurtful, but what is proportionably equal, and in like manner when adjudging the rights of two other men.

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Injustice is all this with respect to the Unjust: and since the Unjust is excess or defect of what is good or hurtful respectively, in violation of the proportionate, therefore Injustice is both excess and defect because it aims at producing excess and defect; excess, that is, in a man’s own case of what is simply advantageous, and defect of what is hurtful: and in the case of other men in like manner generally speaking, only that the proportionate is violated not always in one direction as before but whichever way it happens in the given case. And of the Unjust act the less is being acted unjustly towards, and the greater the acting unjustly towards others.[20]

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Let this way of describing the nature of Justice and Injustice, and likewise the Just and the Unjust generally, be accepted as sufficient.

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Chapter X.

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[Again, since a man may do unjust acts and not yet have formed a character of injustice, the question arises whether a man is unjust in each particular form of injustice, say a thief, or adulterer, or robber, by doing acts of a given character.

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We may say, I think, that this will not of itself make any difference; a man may, for instance, have had connection with another’s wife, knowing well with whom he was sinning, but he may have done it not of deliberate choice but from the impulse of passion: of course he acts unjustly, but he has not necessarily formed an unjust character: that is, he may have stolen yet not be a thief; or committed an act of adultery but still not be an adulterer, and so on in other cases which might be enumerated.][21]

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Of the relation which Reciprocation bears to the Just we have already spoken: and here it should be noticed that the Just which we are investigating is both the Just in the abstract and also as exhibited in Social Relations, which latter arises in the case of those who live in communion with a view to independence and who are free and equal either proportionately or numerically.[22]

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It follows then that those who are not in this position have not among themselves the Social Just, but still Just of some kind and resembling that other. For Just implies mutually acknowledged law, and law the possibility of injustice, for adjudication is the act of distinguishing between the Just and the Unjust.

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And among whomsoever there is the possibility of injustice among these there is that of acting unjustly; but it does not hold conversely that injustice attaches to all among whom there is the possibility of acting unjustly, since by the former we mean giving one’s self the larger share of what is abstractedly good and the less of what is abstractedly evil.

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This, by the way, is the reason why we do not allow a man to govern, but Principle, because a man governs for himself and comes to be a despot: but the office of a ruler is to be guardian of the Just and therefore of the Equal. Well then, since he seems to have no peculiar personal advantage, supposing him a Just man, for in this case he does not allot to himself the larger share of what is abstractedly good unless it falls to his share proportionately (for which reason he really governs for others, and so Justice, men say, is a good not to one’s self so much as to others, as was mentioned before), therefore some compensation must be given him, as there actually is in the shape of honour and privilege; and wherever these are not adequate there rulers turn into despots.

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But the Just which arises in the relations of Master and Father, is not identical with, but similar to, these; because there is no possibility of injustice towards those things which are absolutely one’s own; and a slave or child (so long as this last is of a certain age and not separated into an independent being), is, as it were, part of a man’s self, and no man chooses to hurt himself, for which reason there cannot be injustice towards one’s own self: therefore neither is there the social Unjust or Just, which was stated to be in accordance with law and to exist between those among whom law naturally exists, and these were said to be they to whom belongs equality of ruling and being ruled.

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Hence also there is Just rather between a man and his wife than between a man and his children or slaves; this is in fact the Just arising in domestic relations: and this too is different from the Social Just.

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Further, this last-mentioned Just is of two kinds, natural and conventional; the former being that which has everywhere the same force and does not depend upon being received or not; the latter being that which originally may be this way or that indifferently but not after enactment: for instance, the price of ransom being fixed at a mina, or the sacrificing a goat instead of two sheep; and again, all cases of special enactment, as the sacrificing to Brasidas as a hero; in short, all matters of special decree.

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But there are some men who think that all the Justs are of this latter kind, and on this ground: whatever exists by nature, they say, is unchangeable and has everywhere the same force; fire, for instance, burns not here only but in Persia as well, but the Justs they see changed in various places.

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Now this is not really so, and yet it is in a way (though among the gods perhaps by no means): still even amongst ourselves there is somewhat existing by nature: allowing that everything is subject to change, still there is that which does exist by nature, and that which does not.[23]

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Nay, we may go further, and say that it is practically plain what among things which can be otherwise does exist by nature, and what does not but is dependent upon enactment and conventional, even granting that both are alike subject to be changed: and the same distinctive illustration will apply to this and other cases; the right hand is naturally the stronger, still some men may become equally strong in both.

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A parallel may be drawn between the Justs which depend upon convention and expedience, and measures; for wine and corn measures are not equal in all places, but where men buy they are large, and where these same sell again they are smaller: well, in like manner the Justs which are not natural, but of human invention, are not everywhere the same, for not even the forms of government are, and yet there is one only which by nature would be best in all places.

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Chapter XI.

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Now of Justs and Lawfuls each bears to the acts which embody and exemplify it the relation of an universal to a particular; the acts being many, but each of the principles only singular because each is an universal. And so there is a difference between an unjust act and the abstract Unjust, and the just act and the abstract Just: I mean, a thing is unjust in itself, by nature or by ordinance; well, when this has been embodied in act, there is an unjust act, but not till then, only some unjust thing.[24] And similarly of a just act. (Perhaps δικαιοπράγημα is more correctly the common or generic term for just act, the word δικαίωμα, which I have here used, meaning generally and properly the act corrective of the unjust act.) Now as to each of them, what kinds there are, and how many, and what is their object-matter, we must examine afterwards.

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For the present we proceed to say that, the Justs and the Unjusts being what have been mentioned, a man is said to act unjustly or justly when he embodies these abstracts in voluntary actions, but when in involuntary, then he neither acts unjustly or justly except accidentally; I mean that the being just or unjust is really only accidental to the agents in such cases.

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So both unjust and just actions are limited by the being voluntary or the contrary: for when an embodying of the Unjust is voluntary, then it is blamed and is at the same time also an unjust action: but, if voluntariness does not attach, there will be a thing which is in itself unjust but not yet an unjust action.

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By voluntary, I mean, as we stated before, whatsoever of things in his own power a man does with knowledge, and the absence of ignorance as to the person to whom, or the instrument with which, or the result with which he does; as, for instance, whom he strikes, what he strikes him with, and with what probable result; and each of these points again, not accidentally nor by compulsion; as supposing another man were to seize his hand and strike a third person with it, here, of course, the owner of the hand acts not voluntarily, because it did not rest with him to do or leave undone: or again, it is conceivable that the person struck may be his father, and he may know that it is a man, or even one of the present company, whom he is striking, but not know that it is his father. And let these same distinctions be supposed to be carried into the case of the result and in fact the whole of any given action. In fine then, that is involuntary which is done through ignorance, or which, not resulting from ignorance, is not in the agent’s control or is done on compulsion.

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I mention these cases, because there are many natural things which we do and suffer knowingly but still no one of which is either voluntary or involuntary, growing old, or dying, for instance.

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Again, accidentality may attach to the unjust in like manner as to the just acts. For instance, a man may have restored what was deposited with him, but against his will and from fear of the consequences of a refusal: we must not say that he either does what is just, or does justly, except accidentally: and in like manner the man who through compulsion and against his will fails to restore a deposit, must be said to do unjustly, or to do what is unjust, accidentally only.

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Again, voluntary actions we do either from deliberate choice or without it; from it, when we act from previous deliberation; without it, when without any previous deliberation. Since then hurts which may be done in transactions between man and man are threefold, those mistakes which are attended with ignorance are, when a man either does a thing not to the man to whom he meant to do it, or not the thing he meant to do, or not with the instrument, or not with the result which he intended: either he did not think he should hit him at all, or not with this, or this is not the man he thought he should hit, or he did not think this would be the result of the blow but a result has followed which he did not anticipate; as, for instance, he did it not to wound but merely to prick him; or it is not the man whom, or the way in which, he meant.

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Now when the hurt has come about contrary to all reasonable expectation, it is a Misadventure; when though not contrary to expectation yet without any viciousness, it is a Mistake; for a man makes a mistake when the origination of the cause rests with himself, he has a misadventure when it is external to himself. When again he acts with knowledge, but not from previous deliberation, it is an unjust action; for instance, whatever happens to men from anger or other passions which are necessary or natural: for when doing these hurts or making these mistakes they act unjustly of course and their actions are unjust, still they are not yet confirmed unjust or wicked persons by reason of these, because the hurt did not arise from depravity in the doer of it: but when it does arise from deliberate choice, then the doer is a confirmed unjust and depraved man.
