Likutei Sichos – Vol 02 p 471 ff Class 33. Chassidus vs. Mussar. One fights the evil, then illuminates the darkness. There’s a strength in each.  

Likutei Sichos – Vol 02 p 471 ff Class 45. The Alter Rebbe’s inner struggles. The creation of CHABAD. The sapling must be perfect for the mature tree to be viable and healthy.  

Class Thirteen. The duality as it applies to the Mitzvah of knowing God- that you could think (intellectually) that He is not! Introduction to next dimension in the Sicha: Two sides in God(liness) Him(it)self. Page 14.

Likutei Sichos – Vol 02 p 471 ff Class 32. The darker the Golus the deeper the faint, thus as we get closer to Moshiach chassidus is revealed more.  

Class Twelve. The duality itself is dual: In each positive commandment there is the negative aspect; and in each negative commandment there is a positive aspect. Page 13.

Likutei Sichos – Vol 02 p 471 ff Class 30. Chassidus is for everyone, as everyone has and needs access to his essence.  

Class Eleven. More on the theme of the Hadran: The need for two poles for Torah to be in this world. Page 12.

Class Ten. The Rebbe begins introducing the philosophical axiom on which this entire Hadran based: The RaMbaM as an Halachic authority, writes his Sefer as it is juxtaposed against the reality of the world, because this is where Torah is manifest. He explains that this is defined by duality, positive and negative. Correct the world…

Class Nine. For there to be Yiddishkeit on the practical level of Halacha there must be [the world=] the ‘cheftza’ the ‘thing’ through which the is Mitzvah is done and made possible. In knowing God its the human mind! Page 11-12.

Class Seven. More questions, 1) What are the Yesodos and Chochmos, of which Yedias Hashem is the most important, 2) The word Metzius, and Matzui what does this mean, 3) What does (Matzui) Rishon mean? It seems to imply that there is a second which is impossible,4) what does Halacha 2 add, when it says…