This does not mean, of course, that we must think of waiting for the age of universal harmony.

No previous civilization has been able to achieve it, nor can we see even in the remote distance, that day of the Messiah, when national barriers will no longer exist and all mankind will live in brotherhood and concord. Until then, the nations must narrow their aspirations to achieve a tolerable modus vivendi.

This is the kernel of the problem, as we see it: the Jews comprise a distinctive element among the nations under which they dwell, and as such can neither assimilate nor be readily digested by any nation.