" To us, the argument for material well-being might seem uncontroversial. But in the eighteenth century, material prosperity was frequently condemned as "luxury" by religious and civic moralists. It was not a morally neutral word but a pejorative one, connoting not comfort but excess, the possession of nonnecessities. The notion of luxury was intricately connected with the existence of a recognized social hierarchy: what was necessary for those of high status was regarded as excessive for those of low status. Luxury meant the enjoyment of material goods not appropriate to one's station in life. Critics of luxury saw it as confounding social ranks. P. 40 "

― Jerry Z. Muller , The Mind and the Market: Capitalism in Western Thought