Sunan Ibn Majah Establishing the Prayer and the Sunnah Regarding Them Abdul Malik bin 'Umayr al-Qabti عبد الملك بن عمير بن سويد القبطي Jabir bin Samra Muhammad bin Yahya bin Hiban محمد بن يحيى بن حبان Ubaidullah bin 'Umar al-Qawariri عبيد الله بن عمر القواريري Yahya bin Yusuf يحيى بن يوسف “When the reciter says Amin, then say Amin, for the angels say Amin, and if a person’s Amin coincides with the Amin of the angels, his previous sins will be forgiven.” https://parallelquran.com/hadith/sunan-ibn-majah-585/