The Wealth of Nations by Part 5 Chapter 1 Page 295

of their own accord subdivide themselves fast enough so as soon to become sufficiently numerous.

In every civilised society, in every society where the distinction of ranks has once been completely established, there have been always two different schemes or systems of morality current at the same time; of which the one may be called the strict or austere; the other the liberal, or, if you will, the loose system. The former is generally admired and revered by the common people: the latter is commonly more esteemed and adopted by what are called people of fashion. The degree of disapprobation with which we ought to mark the vices of levity, the vices which are apt to arise from great prosperity, and from the excess of gaiety and good humour, seems to constitute the principal distinction between those two opposite schemes or