Here is a merchant who loses by the failure of a man indebted to him. Unless he gets help he himself will fail, and if he fails he will bring disaster not only on his family but on all who have given him credit. Even if by borrowing he is enabled to meet immediate engagements, he is not safe; for the time is one of panic, and others of his debtors by going to the wall may put him in further difficulties. Shall he ask a friend for a loan? On the one hand, is it not wrong forthwith to bring on himself, his family, and those who have business relations with him, the evils of his failure? On the other hand, is it not wrong to hypothecate the property of his friend, and lead him too, with his belongings and dependents, into similar risks? The loan would probably tide him over his difficulty, in which case would it not be unjust to his creditors did he refrain from asking it? Contrariwise, the loan would very possibly fail to stave off his bankruptcy, in which case is not his action in trying to obtain it, practically fraudulent? Though, in extreme cases, it may be easy to say which course is the least wrong, how is it possible in all those medium cases where even by the keenest man of business the contingencies cannot be calculated?
Take, again, the difficulties that not unfrequently arise from antagonism between family duties and social duties. Here is a tenant farmer whose political principles prompt him to vote in opposition to his landlord. If, being a Liberal, he votes for a Conservative, not only does he by his act say that he thinks what he does not think, but he may perhaps assist what he regards as bad legislation: his vote may by chance turn the election, and on a Parliamentary division a single member may decide the fate of a measure. Even neglecting, as too improbable, such serious consequences, there is the manifest truth that if all who hold like views with himself are similarly deterred from electoral expression of them, there must result a different balance of power and a different national policy; making it clear that only by adherence of all to their political principles can the policy he thinks right be maintained. But now, on the other hand, how can he absolve himself from responsibility for the evils which those depending on him may suffer if he fulfills what appears to be a peremptory public duty? Is not his duty to his children even more peremptory? Does not the family precede the State; and does not the welfare of the State depend on the welfare of the family? May he, then, take a course which, if the threats uttered are carried out, will eject him from his farm; and so cause inability, perhaps temporary, perhaps prolonged; to feed his children. The contingent evils are infinitely varied in their ratios. In one case the imperativeness of the public duty is great and the evil that may come on dependents small; in another case the political issue is of trivial moment and the possible injury which the family may suffer is great; and between these extremes there are all gradations. Further, the degrees of probability of each result, public and private, range from the nearly certain to the almost impossible. Admitting, then, that it is wrong to act in a way likely to injure the State; and admitting that it is wrong to act in a way likely to injure the family, we have to recognize the fact that in countless cases no one can decide by which of the alternative courses the least wrong is likely to be done.
These instances will sufficiently show that in conduct at large, including men's dealings with themselves, with their families, with their friends, with their debtors and creditors, and with the public, it usually happens that whatever course is taken entails some pain somewhere; forming a deduction from the pleasure achieved, and making the course in so far not absolutely right. Further, they will show that throughout a considerable part of conduct, no guiding principle, no method of estimation, enables us to say whether a proposed course is even relatively right; as causing, proximately and remotely, specially and generally, the greatest surplus of good over evil.
§ 104. And now we are prepared for dealing in a systematic way with the distinction between Absolute Ethics and Relative Ethics.
Scientific truths, of whatever order, are reached by eliminating perturbing or conflicting factors, and recognizing only fundamental factors. When, by dealing with fundamental factors in the abstract, not as presented in actual phenomena, but as presented in ideal separation, general laws have been ascertained, it becomes possible to draw inferences in concrete cases by taking into account incidental factors. But it is only by first ignoring these and recognizing the essential elements alone that we can discover the essential truths sought. Take, in illustration, the progress of mechanics from its empirical form to its rational form.
All have occasional experience of the fact that a person pushed on one side beyond a certain degree loses his balance and falls. It is observed that a stone flung, or an arrow shot, does not proceed in a straight line, but comes to the earth after pursuing a course which deviates more and more from its original course. When trying to break a stick across the knee, it is found that success is easier if the stick is seized at considerable distances from the knee on each side than if seized close to the knee. Daily use of a spear draws attention to the truth that by thrusting its point under a stone and depressing the shaft, the stone may be raised the more readily the further away the hand is toward the end. Here, then, are sundry experiences, eventually grouped into empirical generalizations, which serve to guide conduct in certain simple cases. How does mechanical science evolve from these experiences? To reach a formula expressing the powers of the lever, it supposes a lever which does not, like the stick, admit of being bent, but is absolutely rigid, and it supposes a fulcrum not having a broad surface, like that of one ordinarily used, but a fulcrum without breadth, and it supposes that the weight to be raised bears on a definite point, instead of bearing over a considerable portion of the lever. Similarly with the leaning body, which, passing a certain inclination, overbalances. Before the truth respecting the relations of center of gravity and base can be formulated, it must be assumed that the surface on which the body stands is unyielding, that the edge of the body itself is unyielding, and that its mass, while made to lean more and more, does not change its form—conditions not fulfilled in the cases commonly observed. And so, too, is it with the projectile: determination of its course by deduction from mechanical laws, primarily ignores all deviations caused by its shape and by the resistance of the air. The science of rational mechanics is a science which consists of such ideal truths, and can come into existence only by thus dealing with ideal cases. It remains impossible so long as attention is restricted to concrete cases presenting all the complications of friction, plasticity and so forth.
But now, after disentangling certain fundamental mechanical truths, it becomes possible by their help to guide actions better, and it becomes possible to guide them still better when, as presently happens, the complicating elements from which they have been disentangled are themselves taken into account. At an advanced stage the modifying effects of friction are allowed for, and the inferences are qualified to the requisite extent. The theory of the pulley is corrected in its application to actual cases by recognizing the rigidity of cordage; the effects of which are formulated. The stabilities of masses, determinable in the abstract by reference to the centers of gravity of the masses in relation to the bases, come to be determined in the concrete by including also their characters in respect of cohesion. The courses of projectiles, having been theoretically settled as though they moved through a vacuum, are afterward settled in more exact correspondence with fact by taking into account atmospheric resistance.
And thus we see illustrated the relation between certain absolute truths of mechanical science, and certain relative truths which involve them. We are shown that no scientific establishment of relative truths is possible until the absolute truths have been formulated independently. We see that mechanical science, fitted for dealing with the real, can arise only after ideal mechanical science has arisen.
All this holds of moral science. As by early and rude experiences there were inductively reached, vague but partially true notions respecting the overbalancing of bodies, the motions of missiles, the actions of levers; so by early and rude experiences there were inductively reached, vague but partially true notions respecting the effects of men's behavior on themselves, on one another, and on society: to a certain extent serving in the last case, as in the first, for the guidance of conduct. Moreover, as this rudimentary mechanical knowledge, though still remaining empirical, becomes during early stages of civilization at once more definite and more extensive; so during early stages of civilization these ethical ideas, still retaining their empirical character, increase in precision and multiplicity. But just as we have seen that mechanical knowledge of the empirical sort can evolve into mechanical science only by first omitting all, qualifying circumstances, and generalizing in absolute ways the fundamental laws of forces; so here we have to see that empirical ethics can evolve into rational ethics only by first neglecting all complicating incidents, and formulating the laws of right action apart from the obscuring effects of special conditions. And the final implication is that just as the system of mechanical truths, conceived in ideal separation as absolute, becomes applicable to real mechanical problems in such way that making allowance for all incidental circumstances there can be reached conclusions far nearer to the truth than could otherwise be reached; so a system of ideal ethical truths, expressing the absolutely right, will be applicable to the questions of our transitional state in such ways that, allowing for the friction of an incomplete life and the imperfection of existing natures, we may ascertain with approximate correctness what is the relatively right.
§ 105. In a chapter entitled "Definition of Morality" in Social Statics, I contended that the moral law, properly so-called, is the law of the perfect man—is the formula of ideal conduct—is the statement in all cases of that which should be, and cannot recognize in its propositions any elements implying existence of that which should not be. Instancing questions concerning the right course to be taken in cases where wrong has already been done, I alleged that the answers to such questions cannot be given "on purely ethical principles." I argued that: