Likkutei Sichos vol. 15 (Summaries)

The eclipse of the sun and the moon and its effect on human beings.

The korbonos of Kayin and Hevel.

The revelation of Pnimiyus Hatorah and development of science and technology as preparation for the coming of Moshiach.

Human brings and Yidden created in the image of Hashem.

The lessson of the Avodah of the Avos recorded in Torah.

Man is born to toil. Toil of labor, speech, and Torah.

The wells of Yitzchok or Avrohom?

Torah scholars and Tzadikim don't rest in this world and the world to come.

Avrohom's influence in bringing recognition of Hashem in the world in relation to Yitzchok's Shidduch.

Avrohom marries another wife and her name is Keturah.

Yitzchak not leaving Eretz Yisroel according to Rashi and Midrash.

The age Yitzchok was concerned his time has come.

The nations of the world coming to the Beis Hamikdash. The two levels of the city Yerushalyim and it’s affect on learning Torah and the world in general. The difference between the 3 Batei Mikdash.

Yaakov and his flock of sheep and the lesson for us.

“Ki Bemakli”, it’s meaning regarding Yaakov Avinu, the Alter Rebbe and all of Yidden.

Yaakov desires to live in peace.

The story of Yehudah and Tamar. The significance of the signet ring and garment she requested from Yehudah.

Explaining the Nusach of Haneiros Halalu.

Chanukah and bringing peace into the world.

The month of Teves and the connection to Chanukah and other dates in the month.

The transformation of the fasts into joy.

Yaakov and Yosef’s connection to Menashe and Efraim.