The average American worker enjoys amenities for which Croesus, Crassus, the Medici, and Louis XIV would have envied him.
Ludwig von MisesIn a game there are winners and losers. But a business deal is always advantageous for both parties. If both the buyer and the seller were not to consider the transaction as the most advantageous action they could choose under the prevailing conditions, they would not enter into the deal.
Ludwig von Mises