Quote by Adam Smith
"Every individual endeavours to employ his capital in supporting the productive labour which it is most advantageous for him to support."
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."