Sunan an-Nasa'i #5439 · The Book of Seeking Refuge with Allah

Sunan an-Nasa'iIt was narrated that 'Uqbah bin 'Amir said
Sunan an-Nasa'i · Book 50 · The Book of Seeking Refuge with Allah
Sunan an-Nasa'i · كتاب 50 · كتاب الاستعاذة بالله
"I came to the Messenger of Allah [SAW] while he was riding, and I put my hand on his foot and said: 'Teach me Surah Hud, teach me Surah Yusuf. He said: 'You will never recite anything more precious before Allah, the Mighty and Sublime, than: 'Say: I seek refuge with (Allah) the Lord of the daybreak
أَخْبَرَنَا قُتَيْبَةُ، قَالَ حَدَّثَنَا اللَّيْثُ، عَنْ يَزِيدَ بْنِ أَبِي حَبِيبٍ، عَنْ أَبِي عِمْرَانَ، أَسْلَمَ عَنْ عُقْبَةَ بْنِ عَامِرٍ، قَالَ أَتَيْتُ رَسُولَ اللَّهِ صلى الله عليه وسلم وَهُوَ رَاكِبٌ فَوَضَعْتُ يَدِي عَلَى قَدَمِهِ فَقُلْتُ أَقْرِئْنِي سُورَةَ هُودٍ أَقْرِئْنِي سُورَةَ يُوسُفَ ‏.‏ فَقَالَ ‏
"‏ لَنْ تَقْرَأَ شَيْئًا أَبْلَغَ عِنْدَ اللَّهِ عَزَّ وَجَلَّ مِنْ ‏{‏ قُلْ أَعُوذُ بِرَبِّ الْفَلَقِ ‏}‏ ‏"‏ ‏.‏
Reference : Sunan an-Nasa'i 5439In-book reference : Book 50, Hadith 12