Quote by Adam Smith
"The real price of everything... is the toil and trouble of acquiring it."
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."
"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."
"Justice is the main pillar that upholds the whole edifice."