Absolutely , I ' ll compile a nice album with a download very soon ! <| sep |> Goodbad thing penguin strikes again ! <| sep |>. capital has been silently and gradually accumulated by the private frugality and good conduct of individuals , by their universal , continual , and uninterrupted effort to better their own condition . It is this effort , protected by law and allowed by liberty to exert itself in the manner that is most advantageous , which has maintained the progress of England towards opulence and improvement in almost all former times , and which , it is to be hoped , will do so in all future times . The Wealth of Nations p . 328 . by directing that industry in such a manner as its produce may be of the greatest value , he intends only his own gain , and he is in this , as in many other cases , led by an invisible hand to promote an end which was no part of his intention . Nor is it always the worse for the society that it was not part of it . By pursuing his own interest he frequently promotes that of the society more effectually than when he really intends to promote it . The Wealth of Nations p . 423