The Rebbe acknowledges receipt of checks for publishing and maamad, prays at the Ohel for the recipient and his wife, and blesses them with health and joy. He emphasizes that spreading the Rebbe’s teachings brings light and encourages Torah study. He advises sending the remaining funds soon and hopes for good news.
https://www.torahrecordings.com/rebbe/004_igros_kodesh/adar/919