Another seeming exception to the money-making characteristic of Economics depends upon individual isolation. That isolated individuals may gather food and improvise shelter and clothing without thinking of them in terms of money, is true enough; but the activities of persons thus isolated are not Economic exceptions, for the science of Economics is a social science. Although some Economic phases or phenomena may be picturesquely and aptly illustrated by reference to the experience, actual or imaginary, of isolated individuals like Robinson Crusoe on his island, states of human isolation are outside the limits of Economics. Inasmuch, then, as the object of the human factor in the science of Economics is to make money, and as there can be no science of Economics without the human factor, Economics is comprehensively and accurately definable, on the surface, as the science of making money. But making money in the Economic sense must be distinguished from narrower uses of the phrase. To manufacture coins legitimately, as at a mint, is to “make money,” but only in one Economic particular--only in the narrow mechanical sense in which weaving cloth is “making cloth.” Like weaving cloth, it is but an item in the multitudinous phenomena of that money-making which superficially defines the science of Economics. The same observation is applicable to the occupations of engraving and of printing paper currency legitimately. Illegitimate makings of either paper currency or coin, like all other forms of forgery, are not in any sense making money within the purview of Economic science. They are varieties of theft, and Economic science excludes theft of every kind, even legal kinds, such as slavery. This exclusion is not for moral reasons, it may be well to interject for the benefit of such advanced students of Economics as recoil from mixing moral principles with Economic science. It is due to the fact that exchange, or trade--an essential element in Economics,--is in theft utterly lacking. In the Economic sense, making money is making it for all concerned in any particular process, and not for one or more of the parties at the expense of the others. No art of getting something for nothing can be within the scope of Economic science. One-sided methods of making money, whether frankly labeled “theft” or “gambling,” or shrewdly disguised in spurious business ethics, are alien to Economic money-making. Within the domain of Economics no money-making transaction belongs unless it involves the making of money by all parties to the transaction. To make money in that mutual sense is to augment the supply or the serviceableness of whatever commodities money terms may measure and express, and of the portions or shares of all who contribute to the augmentation.