"It is not from the benevolence of the butcher, the brewer, or the baker that we expect our dinner, but from their regard to their own interest." - Adam Smith, The Wealth of Nations. Above is the famous quote from Adam Smith in support of the argument "how self-interest in free market" creates the necessary demand and supply condition resulting in productive economic transactions and the wealth in a society. Those who quote this statement of Adam Smith in support of the free