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 occasionally productive, to be found among those classes of society, which, in reference to the great mass of their exertions, may with propriety be characterized as unproductive. This kind of exception must of course frequently happen, not only among the servants of government, but throughout the whole range of menial service, and in every other situation in society. Almost every person, indeed, must occasionally do some productive labour; and the line of separation which Adam Smith has drawn between productive and unproductive labour may be perfectly distinct, although the denomination which he has given to the different classes of society, founded on their general character, must unavoidably be inaccurate with regard to the exertions of some individuals. It should also be constantly borne in mind, that Adam Smith fully allows the vast importance of many sorts of labour, which he calls unproductive. From the enumeration, indeed, which he has made of these different sorts, he must have been aware, that some of them produce advantages to society, with which the results of the labour employed in making ribands and laces, or indeed of any other labour than that which directly supplies our most pressing physical wants, cannot for a moment be compared. Indirectly indeed, and remotely, there cannot be a doubt that even the supply of these physical wants, is most powerfully promoted by the labours of the moralist, the legislator, and those who have exerted themselves to obtain a good government; but a great part of the value of their labours, evidently depends upon the encouragement they give to the full development of industry, and their consequent invariable tendency to increase the quantity of material wealth. So far as they contribute to promote this supply, their general effect, though not the precise amount, will be estimated in the quantity of these material objects, which the country can command; and so far as they contribute to other sources of happiness, besides those which are derived from matter, it may be more correct, and more useful to consider them as belonging to a class