Prayer (Kitab Al-Salat): Detailed Injunctions about Witr
8/15. Chapter:
Fatihatil-Kitab (The Opening Of The Book)
Sunan Abi Dawud
حَدَّثَنَا أَحْمَدُ بْنُ أَبِي شُعَيْبٍ الْحَرَّانِيُّ، حَدَّثَنَا عِيسَى بْنُ يُونُسَ، حَدَّثَنَا ابْنُ أَبِي ذِئْبٍ، عَنِ الْمَقْبُرِيِّ، عَنْ أَبِي هُرَيْرَةَ، قَالَ قَالَ رَسُولُ اللَّهِ صلى الله عليه وسلم " { الْحَمْدُ لِلَّهِ رَبِّ الْعَالَمِينَ } أُمُّ الْقُرْآنِ وَأُمُّ الْكِتَابِ وَالسَّبْعُ الْمَثَانِي " .
Abu Hurairah reported the Messenger of Allah (ﷺ) as saying: All praise be to Allah, the Lord of the Universe" (1) is the epitome or basis of the Qur'an, the epitome or basis of the Book, and the seven oft-repeated verses.
Reference : Sunan Abi Dawud 1457In-book reference : Book 8, Hadith 42English translation : Book 8, Hadith 1452