(174) باب التَّأْمِينِ وَرَاءَ الإِمَامِ
Abu Hurairah reported the Messenger of Allah (May peace be upon him) as saying; When the Imam says Amin, say Amin, for if anyone's utterance of Amin synchronnises with that of the angles, he will be forgiven his past sins.Ibn shihab (al Zuhrl) said; The Messenger of Allah (May peace be upon him) used to say Amin (At the end of the Fatihah) (DE)
Reference (DE): Sunan Abi Dawud 936 (DE)
In-book reference (DE): Book 2, Hadith 547 (DE)
English translation (DE): Book 2, Hadith 936 (DE)