Likutei Sichos – Vol 23 p 33 ff Post Mattan Torah Mitzvos are about and for [the unchanging] G-d also, while the pre Mattan Torah idea, being that it was for us, was flexible and dynamic. Page 33-4.

Likutei Sichos – Vol 23 p 33 ff Differences between the pre and post Mattan Torah. 1) It was given in its entirety to each Jew [all at once], 2) It was commanded and not done by volunteering, 3) Cannot change. The addition of Anochi changed all that. Page 33.

Introduction to the Sicha of Nitzchiyus HaTorah, The story behind it and its issues.

Likutei Sichos – Vol 22 p 138 ff Connecting This to 18 Iyar and Rabbi Shimon Bar Yochaii. 141-2.

Likutei Sichos – Vol 22 p 138 ff How love being too passionate can cause it to go bad. [Page 140].

Likutei Sichos – Vol 22 p 138 ff The answer begins. What is a Yahrtzeit? It is to a lifetime what Shabbos is to a week and Yom Kippur to a year- a day of culmination. Page 138.

Likutei Sichos – Vol 22 p 114 ff Conclusion, The inner dimension of Tefilla is higher than a Mitzva. Why all this is represented by Sefiras HaOmer. Page 121.

Likutei Sichos – Vol 22 p 114 ff Tefilla is the personal connection to Hashem that we generate that can still be infinite! It therefore changes the world more than Torah and Mitzvos. Page 12-21.

Likutei Sichos – Vol 22 p 114 ff In spite of our limitations, the power of prayer of the individual is considerable. Page 120.

Likutei Sichos – Vol 22 p 114 ff TWO: The second comparison between Sefiras HaOmer and the Davening is: the first effect of Davening and Sefira is on the person who tunes in his heart and is purified and refined through this. Page 118-9.