"Europe has not been a continent of immigrants... It lacks the ingredients necessary to assimilate, integrate, and intermarry large numbers of newcomers each year: There is no dynamic and fluid economy, no confidence in its own values, no belief that class and race are incidental, not essential, to one's persona, no courage to assume that an immigrant made a choice to leave a worse place for a better one. And all this is in the context of a class-bound hierarchy..."