حَدَّثَنَا عَلِيُّ بْنُ مُحَمَّدٍ، حَدَّثَنَا وَكِيعٌ، حَدَّثَنَا شُعْبَةُ، عَنْ عَتَّابٍ، - مَوْلَى هُرْمُزَ - قَالَ سَمِعْتُ أَنَسَ بْنَ مَالِكٍ، يَقُولُ بَايَعْنَا رَسُولَ اللَّهِ صلى الله عليه وسلم عَلَى السَّمْعِ وَالطَّاعَةِ فَقَالَ " فِيمَا اسْتَطَعْتُمْ " .
It wasnarrated that ‘Attab, the freed slave of Hurmuz, said: “IheardAnas bin Malik say: ‘We gave our pledge to the Messenger ofAllah(PBUH) on the basis that we would listen and obey. He (PBUH) said:“Asmuch as you can.” Translation Not Available
Book Ref: Sunan Ibn Majah Book 24 Hadith 2868
Web Ref: Sunan Ibn Majah Vol 4 Book 24 Hadith 2868