(35) باب فَضْلِ التَّأْمِينِ
It was narrated from Abu Hurairah that:
The Messenger of Allah (ﷺ) said: "If any one of you says: 'Amin' and the angels in Heaven say Amin, and the one coincides with the other, his previous sins will be forgiven." (JA)
Reference (JA): Sunan an-Nasa'i 930 (JA)
In-book reference (JA): Book 11, Hadith 55 (JA)
English translation (JA): Vol. 2, Book 11, Hadith 931 (JA)