The Wealth of Nations by Part 4 Chapter 1 Page 30

they draw it more necessarily than even it draws them.

Goods can serve many other purposes besides purchasing money, but money can serve no other purpose besides purchasing goods. Money, therefore, necessarily runs after goods, but goods do not always or necessarily run after money. The man who buys does not always mean to sell again, but frequently to use or to consume; whereas he who sells always means to buy again. The one may frequently have done the whole, but the other can never have done more than the one-half of his business. It is not for its own sake that men desire money, but for the sake of what they can purchase with it.

Consumable commodities, it is said, are soon destroyed; whereas gold and silver are of a more durable nature, and, were it not for this continual