The Rebbe responds to Rabbi Ephraim Eliezer HaKohen, reflecting on the inspiration from Rabbi Yolas’ words at a farbrengen during Ra'ava d'Raavin. He discusses transforming distance into closeness and refining materiality to dispel obstacles. Addressing a query on ta’anug and ratzon post-tzimtzum, he directs to relevant sources. The letter concludes with a blessing for success in spreading Chassidus.

https://www.torahrecordings.com/rebbe/igroskodesh/014/005/5130