Herbert Croly said this quote

The American economic, political, and social organization has given to its citizens the benefits of material prosperity, political liberty, and a wholesome natural equality; and this achievement is a gain, not only to Americans, but to the world and to civilization.

~ Herbert Croly

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.

~ Herbert Croly

The average American is nothing if not patriotic.

~ Herbert Croly

The higher American patriotism, on the other hand, combines loyalty to historical tradition and precedent with the imaginative projection of an ideal national Promise.

~ Herbert Croly