Likkutei Sichos, Vol 33, Bamidbar II Unity Through Torah as Preparation for Matan Torah, Rabbi Ch
https://www.torahrecordings.com/likutei-sichos/002/001_002 לקוטי שיחות חלק ב, במדבר ב Likkutei Sichos, Vol. 33, Bamidbar II - Unity Through Torah as Preparation for Matan Torah True preparation for receiving the Torah is unity rooted in Torah and mitzvos. The Rebbe emphasizes that ahavas Yisrael expressed through bringing others closer to Torah creates the vessel to receive the Torah with joy and in an inner way.