The Wealth of Nations by Part 4 Chapter 7 Page 73

plantations, and consequently to sell them with a better profit at home, but to establish between the plantations and foreign countries an advantageous carrying trade, of which Great Britain was necessarily to be the centre or emporium, as the European country into which those commodities were first to be imported.

The importation of commodities of the second kind might be so managed too, it was supposed, as to interfere, not with the sale of those of the same kind which were produced at home, but with that of those which were imported from foreign countries; because, by means of proper duties, they might be rendered always somewhat dearer than the former, and yet a good deal cheaper than the latter. By confining such commodities to the home market, therefore, it was proposed to discourage the produce, not of Great