حَدَّثَنَا عَفَّانُ حَدَّثَنَا شُعْبَةُ عَنْ عَبْدِ اللَّهِ بْنِ دِينَارٍ قَالَ سَمِعْتُ ابْنَ عُمَرَ يَقُولُ كُنَّا إِذَا بَايَعْنَا رَسُولَ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ عَلَى السَّمْعِ وَالطَّاعَةِ يُلَقِّنُنَا هُوَ فِيمَا اسْتَطَعْتَ
مسند امام احمد بن حنبل · Hadith 5771
It was narrated that 'Abdullah ibn Dinar said: I heardibn Umar say: When we swore allegiancer to the Messenger of Allah (PBUH) with the pledge to hear and obey, he would say: "As nutch as you. as you are able to."
Sanad
حَدَّثَنَا عَفَّانُ حَدَّثَنَا شُعْبَةُ عَنْ عَبْدِ اللَّهِ بْنِ دِينَارٍ قَالَ سَمِعْتُ ابْنَ عُمَرَ