Since the 1960s, we have seen the failure of the melting pot ideology. This ideology suggested that different historical, cultural and socioeconomic backgrounds could be subordinated to a larger ideology or social amalgam which is America. This concept obviously did not work, because paradoxically America encourages a politics of contestation.
We cannot feel strongly toward the totally unlike because it is unimaginable, unrealizable; nor yet toward the wholly like because it is stale -- identity must always be dull company. The power of other natures over us lies in a stimulating difference which causes excitement and opens communication, in ideas similar to our own but not identical, in states of mind attainable but not actual.
The diversity in the faculties of men, from which the rights of property originate, is not less an insuperable obstacle to an uniformity of interests. The protection of these faculties is the first object of government.