Likutei Sichos vol.17 page 193 ff. Teshuva Kapara (Vidui), Class One.This first of two classes takes in the Teshuva and Kapara ideas.There’s Kapara by itself (of which there are four as ר’ מתיא בן חרש says.There’s teshuva by itself of which there are also four (at least according to the Akeida.)But then there’s where Teshuva...

Likutei Sichos vol.17 page 193 ff. (Teshuva Kapara) Vidui, Class Two.This second class on this Sicha deals with Vidui (confession): as there are two levels of Teshuva; there are two levels in Vidui.We discussed the question of what is the Mitzvah of Teshuva is it the Teshuva or the Vidui or both.