T. R. Malthus, The Grounds of an Opinion on the Policy of Restricting the Importation of Foreign Corn
“ They say, and say most justly, that if every nation were to devote itself particularly to those kinds of industry and produce, to which its soil, climate, situation, capital, and skill, were best suited; and were then freely to exchange these products with each other, it would be the most certain and efficacious mode, not only of advancing the wealth and prosperity of the whole body of the commercial republic with the quickest pace, but of giving to each individual nation of the body the full and perfect use of all its resources. ”
