THE PREVIOUS REBBE of Chabad-Lubavitch, Rabbi Yosef Yitzchak Schneersohn (1880-1950) said, "When we remind ourselves of the 'sayings of old, ' it enlivens us." That is to say, the expressions used through the generations in Lubavitch are permeated with a life and a holy energy. In them is preserved an entire culture, a lifestyle, and a place of genuine warmth . . . for they come from a time and a place when people truly cared for one another. LubavitchSpeak...