sentences:  Other Buddhist writers in medieval Japan similarly tried to categorize Buddhist sects into a form of hierarchy, and here Shinran attempts to do the same.Shinran believes that in the era of Mappo, most of the original practices and teachings have died out or lost their efficacy, and so the only viable path left is the Pure Land path.The end of Chapter 6, the Postscript, includes a brief autobiography, particularly during and after Shinran's exile from Kyoto in the year 1207.