Sahih Muslim 8821

The dawn prayer had commenced when the Messen- ger of Allah (ﷺ) saw a person observing prayer, whereas the Mu’adhdhin had pronounced the Iqama. Upon this he (the Holy Prophet) remarked: Do you say four (rak’ahs) of Fard in the dawn prayer?

Sahih Muslim 8822

A person entered the mosque, while the Messenger of Allah (ﷺ) was leading the dawn prayer. He observed two rak’ahs in a corner of the mosque, and then joined the Messenger of Allah (ﷺ) in prayer. When the Messenger of Allah (ﷺ) had pronounced salutations (he had concluded the prayer), he said: O, so and […]

Sahih Muslim 8823

When any one of you enters the mosque, he should say:” O Allah! open for me the doors of Thy mercy” ; and when he steps out he should say: ‘O Allah! I beg of Thee Thy Grace.” (Imam Muslim said: I heard Yahya saying: I transcribed this hadith from the compilation of Sulaiman b. […]

Sahih Muslim 8824

A hadith like this has been narrated from the Messenger of Allah (ﷺ) by Abu Usaid.

Sahih Muslim 8825

When any one of you enters the mosque, he should observe two rak’ahs (of Nafl prayer) before sitting.

Sahih Muslim 8826

I entered the mosque, when the Messenger of Allah (ﷺ) had been sitting among people, and I also sat down among them. Upon this the Messenger of Allah (ﷺ) said: What prevented you from offering two rak’ahs (of Nafl prayer) before sitting down? I said: Messenger of Allah, I saw you sitting and people sitting […]

Sahih Muslim 8816

When the prayer commences then there is no prayer (valid), but the obligatory prayer. This hadith has been narrated by Warqa’ with the same chain of transmitters.

Sahih Muslim 8817

When the prayer commences, there is no prayer but the obligatory one.

Sahih Muslim 8818

A hadith like this has been reported by Ishaq with the same chain of transmitters.