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In every department of human affairs, Practice long precedes Science: systematic enquiry into the modes of action of the powers of nature, is the tardy product of a long course of efforts to use those powers for practical ends. The conception, accordingly, of Political Economy as a branch of science, is extremely modern; but the subject with which its enquiries are conversant has in all ages necessarily constituted one of the chief practical interests of mankind, and, in some, a most unduly engrossing one.

That subject is Wealth. Writers on Political Economy profess to teach, or to investigate, the nature of Wealth, and the laws of its production and distribution: including, directly or remotely, the operation of all the causes by which the condition of mankind, or of any society of human beings, in respect to this universal object of human desire, is made prosperous or the reverse. Not that any treatise on Political Economy can discuss or even enumerate all these causes; but it undertakes to set forth as much as is known of the laws and principles according to which they operate. 2

Every one has a notion, sufficiently correct for common purposes, of what is meant by wealth. The enquiries which relate to it are in no danger of being confounded with those relating to any other of the great human interests. All know that it is one thing to be rich, another thing to be enlightened, brave, or humane; that the questions how a nation is made wealthy, and how it is made free, or virtuous, or eminent in literature, in the fine arts, in arms, or in polity, are totally distinct enquiries. Those things, indeed, are all indirectly connected, and react upon one another. A people has sometimes become free, because it had first grown wealthy; or wealthy, because it had first become free. The creed and laws of a people act powerfully upon their economical condition; and this again, by its influence on their mental development and social relations, reacts upon their creed and laws. But though the subjects are in very close contact, they are essentially different, and have never been supposed to be otherwise.

It is no part of the design of this treatise to aim at metaphysical nicety of definition, where the ideas suggested by a term are already as determinate as practical purposes require. But, little as it might be expected that any mischievous confusion of ideas could take place on a subject so simple as the question, what is to be considered as wealth, it is matter of history that such confusion of ideas has existed—that theorists and practical politicians have been equally, and at one period universally, infected by it, and that for many generations it gave a thoroughly false direction to the policy of Europe. I refer to the set of doctrines designated, since the time of Adam Smith, by the appellation of the Mercantile System.

While this system prevailed, it was assumed, either expressly or tacitly, in the whole policy of nations, that wealth consisted solely of money; or of the precious metals, which, when not already in the state of money, are capable of being directly converted into it. According to the doctrines then prevalent, whatever tended to heap up money or bullion in a country added to its wealth. Whatever sent the precious metals out of a country impoverished it. If a country possessed no gold or silver mines, the only industry by which it could be enriched was foreign trade, being the only one which could bring in money. Any branch of trade which was supposed to send out more money than it brought in, however ample and valuable might be the returns in another shape, was looked upon as a losing trade. Exportation of goods was favoured and encouraged (even by means extremely onerous to the real resources of the country), because, the exported goods being stipulated to be paid for in money, it was hoped that the returns would actually be made in gold and silver. Importation of anything, other than the precious metals, was regarded as a loss to the nation of the whole price of the things imported; unless they were brought in to be re-exported at a profit, or unless, being the materials or instruments of some industry practised in the country itself, they gave the power of producing exportable articles at smaller cost, and thereby effecting a larger exportation. The commerce of the world was looked upon as a struggle among nations, which could draw to itself the largest share of the gold and silver in existence; and in this competition no nation could gain anything, except by making others lose as much, or, at the least, preventing them from gaining it.

It often happens that the universal belief of one age of mankind—a belief from which no one was, nor without an extraordinary effort of genius and courage, could at that time be free—becomes to a subsequent age so palpable an absurdity, that the only difficulty then is to imagine how such a thing can ever have appeared credible. It has so happened with the doctrine that money is synonymous with wealth. The conceit seems too preposterous to be thought of as a serious opinion. It looks like one of the crude fancies of childhood, instantly corrected by a word from any grown person. But let no one feel confident that he should have escaped the delusion if he had lived at the time when it pre

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