The Wealth of Nations by Part 2 Chapter 3 Page 27

pays the wages of idleness with those funds which the frugality of his forefathers had, as it were, consecrated to the maintenance of industry. By diminishing the funds destined for the employment of productive labour, he necessarily diminishes, so far as it depends upon him, the quantity of that labour which adds a value to the subject upon which it is bestowed, and, consequently, the value of the annual produce of the land and labour of the whole country, the real wealth and revenue of its inhabitants. If the prodigality of some was not compensated by the frugality of others, the conduct of every prodigal, by feeding the idle with the bread of the industrious, tends not only to beggar himself, but to impoverish his country.

Though the expense of the prodigal should be altogether in home-made, and no part of it in foreign