B"H, 22 Shevat, 5717.
Brooklyn.
Haraha"ch iy"a nu"n oseik b'tzt"z Reuven Tzvi Yehuda Feigelstock
Shalom u'Vrachah!
In response to your letter informing me about the acquisition and completion of your home, may it be G‑d's will that it should be at an auspicious and successful time for acquiring homes in a spiritual sense as well, as explained at length in the discourses of Chassidus—among them in Likkutei Torah and the Siddur on the discourse "Mizmor Shir Chanukas HaBayis," at the end of the Maamar Mayim Rabim 5636, and others. Also, in the literal sense, may it be a beautiful dwelling that broadens the mind of those who live there; then all their needs are provided generously. As is understood from the well-known phrase that "the needs of Your people are many"—this is only if their minds are narrow; from a negative statement you can infer a positive one. May it be G‑d's will that all this should come without difficulties or concealments, and may you share good news regarding this matter and your activities in kosher Chabad education, which is the gateway to drawing down goodness into specific matters and elevating Torah and mitzvah observance.
Awaiting good news from you. Your letters from 13th and 18th Shevat have been received. The house should be inaugurated with a Chassidic farbrengen for success materially and spiritually.
Summary
The Rebbe writes that both material achievements like acquiring a home and spiritual growth are intertwined. A beautiful home broadens one's mind for service of G‑d, while involvement in education brings blessings into all areas of life.