Likutei Sichos – Vol 02 p 471 ff Class 41. Conclusion of discussion Chassidus vs. Mussar.  

Likutei Sichos – Vol 02 p 471 ff Class 37. Mussar focuses on individual midos (traits) and identifies what is good and what isn’t good. Chassidus involves a balance as demonstrated by Reb Hilel Paritcher’s story. Though there can’t be Chassidus without the struggle with evil, it is not allowed to define the person however….

Likutei Sichos – Vol 02 p 471 ff Class 35. Mussar is Torah and is divinely inspired; [Chassidus is another divinely inspired approach to Yiddishkeit].  

Likutei Sichos – Vol 02 p 471 ff Class 34. Chassidus vs. Mussar cont. It’s not so simple.  

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.