Knowledge is our most powerful engine of production. Alfred Marshall More Quotes by Alfred Marshall More Quotes From Alfred Marshall Producer's Surplus is a convenient name for the genus of which the rent of land is the leading species. Alfred Marshall producers land names Individual and national rights to wealth rest on the basis of civil and international law, or at least of custom that has the force of law. Alfred Marshall wealth rights law In the absence of any short term in common use to represent all desirable things, or things that satisfy human wants, we may use the term Goods for that purpose. Alfred Marshall purpose use may All labour is directed towards producing some effect. Alfred Marshall effects labour But if inventions have increased man's power over nature very much, then the real value of money is better measured for some purposes in labour than in commodities. Alfred Marshall purpose real men In every age poets and social reformers have tried to stimulate the people of their own time to a nobler life by enchanting stories of the virtues of the heroes of old. Alfred Marshall firefighter hero people And very often the influence exerted on a person's character by the amount of his income is hardly less, if it is less, than that exerted by the way in which it is earned. Alfred Marshall income character way Material goods consist of useful material things, and of all rights to hold, or use, or derive benefits from material things, or to receive them at a future time. Alfred Marshall benefits use rights The hope that poverty and ignorance may gradually be extinguished, derives indeed much support from the steady progress of the working classes during the nineteenth century. Alfred Marshall progress support ignorance hope