The Rebbe addresses the presidents, gabbaim, congregants, and members of Nusach Ari, Tzemach Tzedek, and Lubavitch shuls, urging them to strengthen their communities in both quantity and spirituality, especially among youth, and to preserve their chassidic heritage with pride and responsibility.
https://www.torahrecordings.com/rebbe/igroskodesh/004/elul/1217