THE STRANGE DOUBLE LOYALTY OF THE PEOPLE OF THE MIDDLE AGES AND HOW IT LED TO ENDLESS QUARRELS BETWEEN THE POPES AND THE HOLY ROMAN EMPERORS
IT is very difficult to understand the people of by-gone ages. Your own grandfather, whom you see every day, is a mysterious being who lives in a different world of ideas and clothes and manners. I am now telling you the story of some of your grandfathers who are twenty-five generations removed, and I do not expect you to catch the meaning of what I write without re-reading this chapter a number of times.