In these progressive parts "old times are changed, old manners gone" and a new type of cultures fills its place. This is a sign of progress but it must come gradually. Adapt the old to the new but not in a revolutionary way. The new cultures have also their dangers with problems to be solved, because people take too much interest in politics. To adopt new cultures wholly unsuited to the needs which are peculiar to, and characteristic of each particular place is a danger. Culture ought to be varied with characteristics of its own in each locality and area, harmonizing, however, with the whole-a unity in diversity.