Likutei Sichos – Vol 26 p 26 ff The Tanya makes us the friends and acquiaintences of the Alter Rebbe. This brings to having ultimate knowledge of Hashem when Moshiach comes. Page 38-9.

Likutei Sichos – Vol 26 p 26 ff The Tanya: how it also was written for everyone who the Alter Rebbe knew; and us also. Page 37-8.

Likutei Sichos – Vol 26 p 26 ff The Alter Rebbe’s Shulchan Aruch and the More’ Nivuchim and the Tanya also reveal. The secrets are more revealed and they are also better understood. Page 32-3.