1. In the beginning of Perek 42 it says “חיות ואלקות”. The Alter Rebbe deliberated whether to write the connecting vov or not (Shiurim Besefer Hatanya there).
2. Reb Yehuda Leib Hakohen said, “Tanya is ketores for your neshamah and ruach.” Reb Zushe of Anipoli said, “We will greet Moshiach Tzidkeinu with this sefer!”
3. “Seforim” refers to the Shaloh Hakodosh and the Maharal, and “sofrim” refers to the Baal Shem Tov and the Mezritcher Maggid.
4. The gematriya (numerical value) of פדה is 89. 5751 was “shnas ha-pei-tes,” the Rebbe’s 89th year (see Sefer Hasichos 5752, p. 171).
5. Sanhedrin. The reason is that a Rebbe’s job is to guide the members of his generation based on the Torah’s directives. Therefore, the maseches a Rebbe particularly focuses on is Sanhedrin, as the job of the Sanhedrin was to teach Torah to Klal Yisroel (see Sefer Hasichos 5752, p. 490, fn. 141).
6. In 5712 the Rebbe also took Maseches Sukkah, and in 5716 the Rebbe also took Maseches Tamid.
7. We find this term is a letter of the Alter Rebbe from the year 5565 (1805) — “referred to as ‘Chabad.’” Some say that this name was given by those opposed to the path of the Alter Rebbe, but was then lovingly accepted by his chassidim.
8. The Rebbe says that it is probable that the Alter Rebbe only recited “Hagomel” after returning home, when he was completely redeemed. This occurred on Chanukah.
9. The Frierdiker Rebbe, in the sicha of Yud Kislev, 5707 (1946).
10. So that the roshei teivos of Lecha Dodi will fit with the name of its author, Rav Shlomo Halevi Alkabetz.
11. After the kohanim duchen, we thank them by saying “Yasher koach.” In Eretz Yisroel, duchening is done daily.
12. If you forgot to say Atah Chonantanu and you ate before havdalah, you must repeat Shemoneh Esrei and say Atah Chonantanu. However, if you would not have eaten, you would not need to repeat Shemoneh Esrei (Alter Rebbe’s Shulchan Aruch 294:3).
13. Mizmor Lesodah said after Boruch She’amar.
