B"H, 26 Kislev, 5715.
Brooklyn.
Haraha"ch iy"a nu"n etc. Avraham Dovid Rozenblat
Shalom u'Vrachah!
... With blessing and thanks for the Havdalah, and from the eight distinctions (Pesachim 104a; Sefer HaMitzvos, Milah ch. 85) may we merit the time of eight strings.
Summary
The Rebbe connects the concept of eight distinctions in Torah to the future era when King Moshiach's harp will have eight strings, hinting at a higher spiritual revelation. Expressing gratitude for Havdalah, he encourages anticipation for this elevated time.