Megilla Nikraas 5737. Purim is the only Yom Tov that different people keep on different days. Three levels corresponding to three types of service. בן כרך בן עיר and בן כפר are compared to שרפים חיות הקדש and אופנים; they are linked to many things that go in three, including (in Avoda) Hoda’a, Pisukei DiZimra and Krias Shma with the Brachos that are stepping stones to Shmona Esrei. The reason for this התחלקות and the reason for the constraint לא פחות ולא יותר is because Purim is עד דלא ידע and this more than anything else in Yiddishkeit needs to be controlled. NOTE: Due to the length of the class this one class is divided into two parts.
