Education has in America's whole history been the major hope for improving the individual and society. - Gunnar Myrdal

White prejudice and discrimination keep the Negro low in standards of living, health, education, manners and morals. This, in its turn, gives support to white prejudice. White prejudice and Negro standards thus mutually ‘cause’ each other.

Correlations are not explanations and besides, they can be as spurious as the high correlation in Finland between foxes killed and divorces.

Some of these quantities refer directly to a point of time. That is true of "capital value" as also of such quantities as demand and supply prices. Other terms – as e.g. "income", "revenue", "return", "expenses", "savings", "investments" – imply, however, a time period for which they are reckoned. But in order to be unambiguous they must also refer to a point of time at which they are calculated.