who introduce good things which did not before exist; it is they who keep the life in those which already existed. If there were nothing new to be done, would human intellect cease to be necessary? Would it be a reason why those who do the old things should forget why they are done, and do them like cattle, not like human beings? There is only too great a tendency in the best beliefs and practices to degenerate into the mechanical; and unless there were a succession of persons whose ever-recurring originality prevents the grounds of those beliefs and practices from becoming merely traditional, such dead matter would not resist the smallest shock from anything really alive, and there would be no reason why civilization should not die out, as in the Byzantine Empire.

Persons of genius, it is true, are, and are always likely