The Wealth of Nations by Part 2 Chapter 5 Page 29

consumption seldom come in before the end of the year, and sometimes not till after two or three years.

A capital, therefore, employed in the home trade will sometimes make twelve operations, or be sent out and returned twelve times, before a capital employed in the foreign trade of consumption has made one. If the capitals are equal, therefore, the one will give four-and-twenty times more encouragement and support to the industry of the country than the other.

The foreign goods for home consumption may sometimes be purchased, not with the produce of domestic industry, but with some other foreign goods. These last, however, must have been purchased either immediately with the produce of domestic industry, or with something else that had been purchased with it; for, the case of war and