Agriculture is the foundation of manufactures; since the productions of nature are the materials of art. Under the Roman empire, the labour of an industrious and ingenious people was variously, but incessantly employed, in the service of the rich. In their dress, their table, their houses, and their furniture, the favourites of fortune united every refinement of conveniency, of elegance, and of splendour, whatever could soothe their pride or gratify their sensuality.