In the long run, consequently, the ordinary American will have nothing irremediable to complain about except economic and social inequalities.
The increased momentum of American life, both in its particles and its mass, unquestionably has a considerable moral and social value.
To the European immigrant - that is, to the aliens who have been converted into Americans by the advantages of American life - the Promise of America has consisted largely in the opportunity which it offered of economic independence and prosperity.