The two-faced yetzer hara, and what's needed to vanquish it
Shiur #77 in Rav Aharon Kahn’s Hashkafah Series Based on Mishlei with Biur HaGra.
Content Description: Mishlei verses 3:21-26. Brief discussion of valuable chein and useless chein. Importance of taking into account how people view your conduct. The yetzer hara's co-opting of mitzvah-performance in order to further the agenda of aveirah. Torah gives both strength and protection. Insights into Yaakov Avinu's efforts to overcome his yetzer hara through learning Torah, and his impression of his degree of success, as evidenced in his confrontation with Eliphaz.
Citations: Besides the commentaries related to Mishlei, the following source is also referenced in this shiur: Pri Tzaddik, Bereishis Parshas VaYeytse, 2nd os, found in the source packets on pages 2-5.