The Rebbe teaches that Torah must be learned with the same awe and devotion as at Mount Sinai—engaging mind, heart, and body. Each Shavuot renews the divine energy of Matan Torah, and we access it through sincere commitment, beginning with “Naaseh v’nishma.”
https://www.torahrecordings.com/rebbe/004_igros_kodesh/iyar/1011