Goods can serve many other purposes besides purchasing money, but money can serve no other purpose besides purchasing goods.
Adam SmithMercantile jealousy is excited, and both inflames, and is itself inflamed, by the violence of national animosity.
Adam SmithWhen we have read a book or poem so often that we can no longer find any amusement in reading it by ourselves, we can still take pleasure in reading it to a companion. To him it has all the graces of novelty.
Adam Smith