Page:Principles of Political Economy Vol 1.djvu/81

Rh classes of labour should be accounted productive of wealth, since that is what the term productive, when used by itself, must be understood to import. Utilities of the third class, consisting in pleasures which only exist while being enjoyed, and services which only exist while being performed, cannot be spoken of as wealth, except by an acknowledged metaphor. It is essential to the idea of wealth to be susceptible of accumulation: things which cannot, after being produced, be kept for some time before being used, are never, I think, regarded as wealth, since however much of them may be produced and enjoyed, the person benefited by them is no richer, is nowise improved in circumstances. But there is not so distinct and positive a violation of usage in considering as wealth any product which is both useful and susceptible of accumulation. The skill, and the energy and perseverance, of the artisans of a country, are reckoned part of its wealth, no less than their tools and machinery. According to this definition, we should regard all labour as productive which is employed in creating permanent utilities, whether embodied in human beings, or in any other animate or inanimate objects. This nomenclature I have, in a former