Quote by Adam Smith
"The theory of moral sentiments is not a system of arbitrary rules but a science of human sympathy."
More from Adam Smith
"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."
"The real price of everything... is the toil and trouble of acquiring it."
"Happiness never results from what we get, but from what we give."
"The propensity to truck, barter and exchange one thing for another is common to all men."