Sahih Muslim , Book 5, Hadith 2224 (USC-MSA) ⓘ
This hadith has been narrated by Shu'ba with the same chain of transmitters and in the hadith transmitted by Sa'id b. al Rabi (the words are): " We used to carry loads on our backs."
وَحَدَّثَنَا مُحَمَّدُ بْنُ بَشَّارٍ، حَدَّثَنِي سَعِيدُ بْنُ الرَّبِيعِ، ح وَحَدَّثَنِيهِ إِسْحَاقُ بْنُ مَنْصُورٍ، أَخْبَرَنَا أَبُو دَاوُدَ، كِلاَهُمَا عَنْ شُعْبَةَ، بِهَذَا الإِسْنَادِ . وَفِي حَدِيثِ سَعِيدِ بْنِ الرَّبِيعِ قَالَ كُنَّا نُحَامِلُ عَلَى ظُهُورِنَا .
also referenced under: Book 12, Hadith 93 (In-Book) & Hadith 1018 (Reference)