Unfortunately, the average of one generation need not be the average of the next.


Short Studies on Great Subjects (Volume 1), The Science of History (p. 26)


Unfortunately, the average of one generation need not be the average of the next.

Unfortunately, the average of one generation need not be the average of the next.

Unfortunately, the average of one generation need not be the average of the next.

Unfortunately, the average of one generation need not be the average of the next.