לכן אמר לבני־ישׂראל אני יהוה והוצאתי אתכם מתחת סבלת מצרים והצלתי אתכם מעבדתם וגאלתי אתכם בזרוע נטויה ובשׁפטים ג     (Exodus 6:6) On the night on which He was betrayed, while their bold and often mystifying rabbi lead them in a tradition that they have practiced all their lives… a tradition which probably invoked the same sort of nostalgia, the same sort of deeply rooted emotional and spiritual emotions which we might associate with Christmas...