For it is beyond question that on this turns our decision between natural and artificial Organizations—that on this, and this alone, hangs the solution of the Social Problem. If the prosperity of all be the condition of the prosperity of each, then we can repose with confidence not only on the economic power of free trade, but on its moral force. If men only understood their true interests, restrictions, mercantile jealousies, commercial wars, monopolies, would go down under the influence of public opinion; [p118] and before soliciting the interposition of government in any case, the question would be, not “How am ‹I› to be benefited by it?” but “What advantage is likely to result from it to the community?” This last question, I grant, is sometimes elicited by the principle of sympathy; but let men be once enlightened, and it will be called forth by Self-interest. Then we shall be enabled to say with truth that the two motive principles of our nature tend towards the same result—the General Good; and it will be impossible to deny Moral Power to self-interest, and the transactions which spring from it, as far at least as their effects are concerned. Consider the relations of man to man, family to family, province to province, nation to nation, hemisphere to hemisphere, capitalist to labourer, the man of property to the man of no property,—it seems evident to me that it is impossible to resolve the social problem from any one of these points of view, or even to enter upon its solution, before choosing between these two maxims:— ‹The profit of one is the loss of another;› ‹The profit of one is the gain of another.› For if nature has arranged matters so that antagonism is the law of free transactions, our only resource is to vanquish nature and stifle Freedom. If, on the other hand, these free transactions are harmonious, that is to say, if they tend to ameliorate and equalize the conditions of men, our efforts must be confined to allowing nature to act, and maintaining the rights of human Liberty. This is the reason why I conjure the young people to whom this work is dedicated to scrutinize with care the formulas which it lays down, and to analyze the peculiar nature and effects of Exchange. I hope yet to find at least one among them who will be able to demonstrate rigorously this proposition: “‹The good of each tends to the good of all, as the good of all tends to the good of each›;” and who will, moreover, be able to impress this truth upon men’s minds by rendering the proof of it simple, lucid, and irrefragable. The man who does this will have resolved the social problem, and be the benefactor of the human race.