حَدَّثَنَا عَفَّانُ حَدَّثَنَا هَمَّامٌ حَدَّثَنَا مَطَرٌ عَنْ سَالِمِ بْنِ عَبْدِ اللَّهِ بْنِ عُمَرَ عَنْ أَبِيهِ قَالَ سَافَرْنَا مَعَ رَسُولِ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ وَمَعَ عُمَرَ فَلَمْ أَرَهُمَا يَزِيدَانِ عَلَى رَكْعَتَيْنِ وَكُنَّا ضُلَّالًا فَهَدَانَا اللَّهُ بِهِ فَبِهِ نَقْتَدِي
مسند امام احمد بن حنبل · Hadith 5757
It was narrated from SaaJim ibn 'Abdullah ibn 'Umar that his father said: We travelled with the Messenger of Allah (PBUH) and with 'Umar, and they prayed no more than two rak'ahs. We were astray, then Allah guided us through im (the Prophet and we shall certainly follow his example.
Sanad
حَدَّثَنَا عَفَّانُ حَدَّثَنَا هَمَّامٌ حَدَّثَنَا مَطَرٌ عَنْ سَالِمِ بْنِ عَبْدِ اللَّهِ بْنِ عُمَرَ عَنْ أَبِيهِ