This is a text-based class, the third in a four-part series on the Maamar Beshah She'hikdemu, said by the Lubavitcher Rebbe on the first day of Shavuos pre-dawn, 5713, May 19, 1953. Rabbi YY presented this class on 4 Sivan, 5786, May 20, 2026, at Ohr Chaim Shul, Monsey, NY.