The cause of usefulness and stoicism in workmanship - Adam Smith's 'Theoryof moral sentiments', part 4

The fourth part of the Theory of Moral Sentiments is an important one: the quoting of an "invisible hand" refers the moral enquiry to the propping of the social prosperity which the Wealth of Nations takes as an object of stu dy. But there's on thing more: one also finds evidence therein of the liber al hypotheses according to which prosperity is never better reached but whe n citizens do not pursue it consciously.