Compiled by Imam Abu Dawud as-Sijistani
حَدَّثَنَا هَنَّادُ بْنُ السَّرِيِّ، حَدَّثَنَا مُحَمَّدُ بْنُ فُضَيْلٍ، عَنِ الْمُخْتَارِ بْنِ فُلْفُلٍ، قَالَ سَمِعْتُ أَنَسَ بْنَ مَالِكٍ، يَقُولُ : أَغْفَى رَسُولُ اللَّهِ صلى الله عليه وسلم إِغْفَاءَةً فَرَفَعَ رَأْسَهُ مُتَبَسِّمًا، فَإِمَّا قَالَ لَهُمْ وَإِمَّا قَالُوا لَهُ : يَا رَسُولَ اللَّهِ لِمَ ضَحِكْتَ فَقَالَ : " إِنَّهُ أُنْزِلَتْ عَلَىَّ آنِفًا سُورَةٌ " . فَقَرَأَ بِسْمِ اللَّهِ الرَّحْمَنِ الرَّحِيمِ {إِنَّا أَعْطَيْنَاكَ الْكَوْثَرَ} حَتَّى خَتَمَهَا فَلَمَّا قَرَأَهَا قَالَ : " هَلْ تَدْرُونَ مَا الْكَوْثَرُ " . قَالُوا : اللَّهُ وَرَسُولُهُ أَعْلَمُ . قَالَ : " فَإِنَّهُ نَهْرٌ وَعَدَنِيهِ رَبِّي عَزَّ وَجَلَّ فِي الْجَنَّةِ، وَعَلَيْهِ خَيْرٌ كَثِيرٌ عَلَيْهِ حَوْضٌ تَرِدُ عَلَيْهِ أُمَّتِي يَوْمَ الْقِيَامَةِ آنِيَتُهُ عَدَدُ الْكَوَاكِبِ " .
The Messenger of Allah(ﷺ) dozed for a short while and raised his smiling. He either said to them(people) or they said to him: Messenger of Allah! Why did you laugh? He said: A surah has been revealed to me just now, and then he recited: “In the name of Allah, Most Gracious. Most Merciful. To thee We have granted the fount (of abundance)” up to the end. When he recited, he asked: Do you know what al-kauthar is? They replied: Allah and his Apostle know best. He said: It is a river which my Lord, the Exalted, has promised me( to grant) in Paradise: there is abundance of good and upon it there is a pond which my people will approach on the Day of Resurrection. There are vessels as numerous as stars(in the sky).