The author examines the relations among labour, wealth, and public welfare by separating empirical data from argumentative claims, scrutinising statistics on national income, capital, and land-rental while insisting that approximate figures suffice for practical debate. He critiques socialist and collectivist proposals as founded on misinterpretations of economic facts, offers popular rather than purely philosophical exposition, and responds to contemporary critics. The work links measured interpretation of economic evidence to concrete social and political recommendations, stressing cautious, evidence-grounded policy over doctrinaire reforms.