Musnad Ahmad 65
It was narrated that Ibn Abi Mulaikah said:
The halter fell from the hand of Abu Bakr as-Siddeeq. He struck the foreleg of his she-camel to make her kneel down, and they said to him: Why did you not tell us to pass it to you? He said: My beloved the Messenger of Allah (ﷺ) instructed me not to ask the people for anything.
حَدَّثَنَا مُوسَى بْنُ دَاوُدَ، حَدَّثَنَا عَبْدُ اللَّهِ بْنُ الْمُؤَمَّلِ، عَنِ ابْنِ أَبِي مُلَيْكَةَ، قَالَ كَانَ رُبَّمَا سَقَطَ الْخِطَامُ مِنْ يَدِ أَبِي بَكْرٍ الصِّدِّيقِ رَضِيَ اللَّهُ عَنْهُ قَالَ فَيَضْرِبُ بِذِرَاعِ نَاقَتِهِ فَيُنِيخُهَا فَيَأْخُذُهُ قَالَ فَقَالُوا لَهُ أَفَلَا أَمَرْتَنَا نُنَاوِلُكَهُ فَقَالَ إِنَّ حَبِيبِي رَسُولَ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ أَمَرَنِي أَنْ لَا أَسْأَلَ النَّاسَ شَيْئًا‏.‏