Labor was the first price, the original purchase – money that was paid for all things. – Adam Smith
To feel much for others and little for ourselves to restrain our selfishness and exercise our benevolent affections, constitute the perfection of human nature. – Adam Smith
The propensity to truck, barter and exchange one thing for another is common to all men, and to be found in no other race of animals. – Adam Smith
People of the same trade seldom meet together, even for merriment and diversion, but the conversation ends in a conspiracy against the public, or in some contrivance to raise prices. – Adam Smith