In the LeM of Rav Nahman in vol I:6 is brought: Being silent to one's insult is the main repentance on one's sins.[This is simple to understand if you know the principle of repentance which is to accept not to repeat the sin. But a sin can be an isur asey איסור עשה (a prohibition that comes from a positive command), a lav לאו (prohibition), a lav that has karet לאו שיש בו כרת (prohibition that has the penalty of being cut off from one's people), a lav that has hilul hashem לאו שיש בו חילול השם (a prohibition that has the desecration of the Divine Name). For the last two simple repentance and Yom Kippur are not enough, one must receive afflictions in order for the repentance to b accepted. So Rav Nahman is saying here that being silent in the face of being insult is in place of other sorts of afflictions.
Later in vol II Rav Nahman says that this Torah lesson contains in it the intensions of Elul and that the intensions of Elul are a segulah סגולה [help] to find one's match.
I actually had a lot of trouble finding my match for a long time. I had tried every possible idea that I or anyone else could suggest.... Until one day I decided I was going to say that Torah lesson LeM vol I perek 6 every day and never stop until I would find my match. And that is what I did. Every day for about a year until I fact I found my match.
And other thing I gained from that was the idea of silence. In that Torah lesson, silence in itself is praised, not just silence in the face of one's insult.
