Class One. In this class we explained the deeper meaning of this Gemara. Because they counted and had a precise number of letters they saw to it that the Torah and the Tehillim should have a center where Ein Sof can be manifest to correct חטא עץ הדעת and גלות אדום. The concept of a center was explained a little bit.
Class Two. טמטום הלב וטמטום המוח The differences between the two. טמטום הלב is an immersion in תאות compounded by a נפילה imposed from above which makes him insensitive, even when his mind resonates with the ideas it learns. טמטום המוח the תאות have precluded the the person who is (and should be) identified שבל but he is held down and back by his basic lack of refinement.
Class Three. Solutions to each of these different problems. For טמטום הלב one should employ ביטול in one of three ways: 1) מבטשין לי’ה or 2) learning incredibly abstract ideas that are completely beyond the Nefesh HaBahamis, 3) recite אותיות התורה. For טמטום המוח the Rebbe proposed כף הקלע and explained it on three levels: 1) Going from one world to another, 2) From חוץ לארץ to ארץ ישראל and back again, 3) From מיצר to מרחב and back again. He explains that for טמטום הלב you don’t need complete התבטלות while for טמטום המוח the ביטול must make you a new person.
