The Wealth of Nations by Part 4 Chapter 9 Page 66

manufactures or foreign trade, yet seems rather to have discouraged the latter employments than to have given any direct or intentional encouragement to the former. In several of the ancient states of Greece, foreign trade was prohibited altogether; and in several others the employments of artificers and manufacturers were considered as hurtful to the strength and agility of the human body, as rendering it incapable of those habits which their military and gymnastic exercises endeavoured to form in it, and as thereby disqualifying it more or less for undergoing the fatigues and encountering the dangers of war.

Such occupations were considered as fit only for slaves, and the free citizens of the state were prohibited from exercising them. Even in those states where no such prohibition took place, as in Rome and Athens, the