Class Two. More on the benefit for the many from the mesiras Nefesh Al kidush Hashem of one. The idea that everything has a lesson in Avoda, (how this ties into the generations of the Previous Rebbe and the Rebbe). Page 106.  

Class One. Mesiras Nefesh Al Kidush Hashem is higher than teaching Halacha to all generations. The example of the Beis Yosef, The connection to the Rebbe’s father. The significance of the level of Torah called Halacha.