What should we suppose must naturally be the consequence of our carrying on a slave trade with Africa? With a country, vast in its extent, not utterly barbarous, but civilized in a very small degree? Does any one suppose a slave trade would help their civilization?
All parts of the body which have a function, if used in moderation and exercised in labors in which each is accustomed, become thereby healthy, well developed and age more slowly, but if unused they become liable to disease, defective in growth and age quickly.