I shall not here pursue the gradual progress of industry, in bringing manufactures to perfection; nor interrupt my subject with any further observations upon the advantages resulting to industry, from the establishment of civil and domestic liberty, but shall only suggest, that these refinements seem more generally owing to the industry and invention of the manufacturers (who by their ingenuity daily contrive means of softening or relieving inconveniencies, which mankind seldom perceive to be such, till the way of removing them is contrived) than to the taste for luxury in the rich, who, to indulge their ease, engage the poor to become industrious. Let any man make an experiment of this nature upon himself, by entring into the first shop. He will no where so quickly discover his wants as there. Every thing he sees appears either necessary, or at least highly convenient; and he begins to wonder (especially if he be rich) how he could have been so long without that which the ingenuity of the workman alone had invented, in order that from the novelty it might excite his desire; for perhaps when it is bought, he will never once think of it more, nor ever apply it to the use for which it at first appeared so necessary. Here then is a reason why mankind labour though not in want. They become desirous of possessing the very instruments of luxury, which their avarice or ambition prompted them to invent for the use of others. What has been said represents trade in its infancy, or rather the materials with which that great fabric is built. We have formed an idea of the wants of mankind multiplied even to luxury, and abundantly supplied by the employment of all the free hands set apart for that purpose. But if we suppose the workman himself disposing of his work, and purchasing, with it, food from the farmer, cloaths from the clothier, and in general seeking for the supply of every want from the hands of the person directly employed for the purpose of relieving it; this will not convey an idea of trade, according to our definition. Trade and commerce are an abbreviation of this long process; a scheme invented and set on foot by merchants, from a principle of gain, supported and extended among men, from a principle of general utility to every individual, rich or poor, to every society, great or small. Instead of a pin-maker exchanging his pins with fifty different persons, for whose labour he has occasion, he sells all to the merchant for money or for credit; and, as occasion offers, he purchases all his wants, either directly from those who supply them, or from other merchants who deal with manufacturers in the same way his merchant dealt with him.