(18) باب التَّسْمِيعِ وَالتَّحْمِيدِ وَالتَّأْمِينِ
Abu Huraira reported:
The Messenger of Allah (ﷺ) said: When the Imam says:" Allah listens to him who praises Him." you should say:" O Allah, our Lord for Thee is the praise." for if what anyone says synchronises with what the angels say, his past sins will be forgiven. (ID)
Reference (ID): Sahih Muslim 409 a (ID)
In-book reference (ID): Book 4, Hadith 75 (ID)
USC-MSA web (English) reference(deprecated numbering scheme): Book 4, Hadith 809 (ID)