Tanya Chapter 20, Class 1 (154). In order to use Ahava Misuteres to serve Hashem on a regular daily basis, it is necessary to control and manage it practically. Explaining this will take six Perakim. At the send of it the Alter Rebbe will explain using the power of Mesiras Nefesh to have full self-mastery (Beinoni). First the Rebbe will explain the Mitzvah of Achdus Hashem, the positive and the negative aspects of it. The idea that Hashem is both בורא עולם ומנהיגו the Creator and Master of the world.
