Several explanations why the duplicate language of: “these are the generations of Yitzchak the son of Avraham, Avraham gave birth to Yitzchak” in the raveled and esoteric and the connection between them.

https://www.torahrecordings.com/likutei-sichos/003/006

Avraham gave birth to Yitzchak and made a big party on the day he was weaned. In the future to come we will say to Yitzchak “you are our father”. His greatness was awe. He was in Gan Edan for 3 years. The lesson from the above. Protection before the wedding and receiving ordination before wedding. Reason why the blessing of Yitzchak to Yakov came specifically by way of deceit. In the Midrash on “he will give to you” 10 blessing corresponding to the 10 sayings.

https://www.torahrecordings.com/likutei-sichos/001/006

The miracle that happened to Avraham that he gave birth to additional 6 sons from Keturah at his old age and the miracles that took place at the birth of Yitzchak. 2 ways to impact the nations of the world as hinted in the two last chapter of the Sefer Hayad of the Rambam.

https://www.torahrecordings.com/likutei-sichos/035/005_003

Explains the connection of the Haftorah that David “old coming in days” and his promise that Sholom will be king after him to the content of the Parsha. Discussion about the anointing of a king who is the son of a king and the duplication and change in the Rambam.

https://www.torahrecordings.com/likutei-sichos/025/006_003

Explains reason for change in the language “send his angel before you” 24:7 or “with you” 24:40. Explains what success is.

https://www.torahrecordings.com/likutei-sichos/025/006_002

3 possibilities of the Chanukah miracle, its novelty relative to the candles of Sara and Rivkah.

https://www.torahrecordings.com/likutei-sichos/015/006_005

Explains Rashi 28:1. Explains the story in the Talmud Zevachim 62b about the nephews of Rabbi Tarfon.

https://www.torahrecordings.com/likutei-sichos/015/006_004

Explains Rashi 24:66. Young girls lighting the holy Shabbat candles.

https://www.torahrecordings.com/likutei-sichos/015/006_003

Explains Rashi 24:6. Explains the idea “now he is Elokim of the heavens and Elokim of the earth” in its inner meaning.

https://www.torahrecordings.com/likutei-sichos/015/006_002

Reconciles the name of the Parsha “Chayei Sara” with all that happens in the Parsha after her passing. The novelty in Sara’s service relative to Avraham’s is expressed in all the stories in the Parsha.

https://www.torahrecordings.com/likutei-sichos/015/006_001