حَدَّثَنَا عَلِيُّ بْنُ حُجْرٍ، أَخْبَرَنَا إِسْمَاعِيلُ بْنُ جَعْفَرٍ، عَنْ عَبْدِ اللَّهِ بْنِ دِينَارٍ، عَنِ ابْنِ عُمَرَ، قَالَ كُنَّا نُبَايِعُ رَسُولَ اللَّهِ صلى الله عليه وسلم عَلَى السَّمْعِ وَالطَّاعَةِ فَيَقُولُ لَنَا " فِيمَا اسْتَطَعْتُمْ " . قَالَ أَبُو عِيسَى هَذَا حَدِيثٌ حَسَنٌ صَحِيحٌ كِلاَهُمَا .
Narrated Ibn 'Umar: "We used to pledge to the Messenger of Allah (PBUH) to hear and obey." So he would say to us: "As much as you are able." [Abu 'Eisa said:] This Hadith is Hasan Sahih. Translation Not Available
Book Ref: Jamiya Tirmidhi Book 21 Hadith 1593
Web Ref: Jamiya Tirmidhi Vol 3 Book 19 Hadith 1593