I heard Messenger of Allah ﷺ saying, "While I was sleeping, I saw myself standing at a well, on it there was a bucket. I drew water from the well as much as Allah wished. Then Ibn Abi Quhafa (i.e. Abu Bakr) took the bucket from me and brought out one or two buckets (of water) and there was weakness in his drawing the water. May Allah forgive his weakness for him. Then the bucket turned into a very big one and Ibn Al-Khattab took it over and I had never seen such a mighty person amongst the people as him in performing such hard work, till the people drank to their satisfaction and watered their camels that knelt down there." (Using translation from Bukhārī 3664)   

سَمِعْتُ رَسُولَ اللهِ ﷺ يَقُولُ «بَيْنَمَا أَنَا نَائِمٌ رَأَيْتُنِي عَلَى قُلَيْبٍ فَنَزَعْتُ مِنْهَا مَا شَاءَ اللهُ ثُمَّ نَزَعَ ابْنُ أَبِي قُحَافَةَ ذَنُوبًا أَوْ ذَنُوبَيْنِ وَفِي نَزْعِهِ ضِعْفٌ وَلْيَغْفِرِ اللهُ لَهُ ثُمَّ اسْتَحَالَتْ غَرْبًا فَلَمْ أَرْ عَبْقَرِيًّا مِنَ النَّاسِ يَنْزِعُ نَزْعَهُ حَتَّى ضَرَبَ النَّاسُ بِعَطَنٍ»  

about the Prophet's dream in which he has seen Abu Bakr and ʿUmar: The Prophet ﷺ said, "I saw (in a dream) that the people had gathered. Then Abu Bakr stood up and pulled out one or two buckets full of water (from a well) and there was weakness in his pulling -- may Allah forgive him. Then Ibn Al- Khattab stood up, and the bucket turned into a very large one and I have never seen any strong man among the people doing such a hard job. He pulled out so much water that the people (drank to their satisfaction) and watered their camels to their fill, (and then after quenching their thirst) they sat beside the water." (Using translation from Bukhārī 7020)   

عَنْ رُؤْيَا رَسُولِ اللهِ ﷺ فِي أَبِي بَكْرٍ وَعُمَرَ ؓ قَالَ «رَأَيْتُ النَّاسَ اجْتَمَعُوا فَقَامَ أَبُو بَكْرٍ فَنَزَعَ ذَنُوبًا أَوْ ذَنُوبَيْنِ وَفِي نَزْعِهِ ضِعْفٌ وَاللهُ يَغْفِرُ لَهُ ثُمَّ ابْنُ الْخَطَّابِ فَاسْتَحَالَتْ غَرْبًا وَمَا رَأَيْتُ عَبْقَرِيًّا مِنَ النَّاسِ يَفْرِي فَرِيَّهُ حَتَّى ضَرَبَ النَّاسُ بِعَطَنٍ» فَقَالَ حَجَّاجٌ قُلْتُ لِابْنِ جُرَيْجٍ مَا اسْتَحَالَ؟ قَالَ رَجَعَ قُلْتُ مَا الْعَبْقَرِيُّ؟ قَالَ الْأَجِيرُ