Famous quotes containing the words marginal and/or propensity:
“Most works of art are effectively treated as commodities and most artists, even when they justly claim quite other intentions, are effectively treated as a category of independent craftsmen or skilled workers producing a certain kind of marginal commodity.”
—Raymond Williams (1921–1988)
“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 (1723–1790)