it is likely it will be far less a generation hence. This simply means that our standard of consumption is being constantly reformed in a direction which makes us less and less dependent upon external goods. Though we shall continue to need increased quantities and new varieties of food, raw materials, and manufactured goods from abroad, they will form a diminishing proportion of the real income of our nation, of the total value of goods and services which we consume.
Setting the same argument in another form, we may say that the poorest classes in Great Britain are in proportion to their incomes the largest consumers of imported goods, chiefly because the largest proportion of their money goes for food; the richest classes are in proportion to their expenditure the smallest consumers of exported goods. Every elevation, then, of the general standard of comfort of the people diminishes the relative importance of external trade and enhances the importance of internal trade.
If, therefore, we found the external trade of Great Britain advancing at a faster rate than the internal trade and furnishing a larger proportion of the aggregate wealth of the nation, we should have grave reason for alarm regarding the industrial progress of the nation.
§5. When a civilised nation has, by a sufficient process of investigation of her own resources, as compared with those of other countries, discovered what
