Sahih Muslim | Book 7 | Hadith Number 2782

Narrated by Ibn al-Muththanna
Ibn al-Muththanna reported on the authority of Ibn Abu'Adi who transmitted on the authority of Ibn'Aun who narrated from al-Qasim and Ibrahim having said: I cannot differentiate the hadith of one from the other (Qasim and Ibrahim) that the Mother of the Believers (Allah be pleased with her) said this: Messenger of Allah, people have come back with two acts of worship. The rest of the hadith is the same.