Sunan an-Nasai Book 50, Hadith 5430

أَخْبَرَنَا مُحَمَّدُ بْنُ عَلِيٍّ، قَالَ حَدَّثَنِي الْقَعْنَبِيُّ، عَنْ عَبْدِ الْعَزِيزِ، عَنْ عَبْدِ اللَّهِ بْنِ سُلَيْمَانَ، عَنْ مُعَاذِ بْنِ عَبْدِ اللَّهِ بْنِ خُبَيْبٍ، عَنْ أَبِيهِ، عَنْ عُقْبَةَ بْنِ عَامِرٍ الْجُهَنِيِّ، قَالَ بَيْنَا أَنَا أَقُودُ، بِرَسُولِ اللَّهِ صلى الله عليه وسلم رَاحِلَتَهُ فِي غَزْوَةٍ إِذْ قَالَ ‏"‏ يَا عُقْبَةُ قُلْ ‏"‏ ‏.‏ فَاسْتَمَعْتُ ثُمَّ قَالَ ‏"‏ يَا عُقْبَةُ قُلْ ‏"‏ ‏.‏ فَاسْتَمَعْتُ فَقَالَهَا الثَّالِثَةَ فَقُلْتُ مَا أَقُولُ فَقَالَ ‏"‏ ‏{‏ قُلْ هُوَ اللَّهُ أَحَدٌ ‏}‏ ‏"‏ ‏.‏ فَقَرَأَ السُّورَةَ حَتَّى خَتَمَهَا ثُمَّ قَرَأَ ‏{‏ قُلْ أَعُوذُ بِرَبِّ الْفَلَقِ ‏}‏ وَقَرَأْتُ مَعَهُ حَتَّى خَتَمَهَا ثُمَّ قَرَأَ ‏{‏ قُلْ أَعُوذُ بِرَبِّ النَّاسِ ‏}‏ فَقَرَأْتُ مَعَهُ حَتَّى خَتَمَهَا ثُمَّ قَالَ ‏"‏ مَا تَعَوَّذَ بِمِثْلِهِنَّ أَحَدٌ ‏"‏ ‏.‏

It was narrated that 'Uqbah bin 'Amir Al-Juhani said:"While I was leading the Messenger of Allah [SAW] on his mount on a military campaign, he said: 'O 'Uqbah, say!' I listened, then he said: 'O 'Uqbah, say!' I listened, then he said it a third time. I said: 'What should I say?' He said: 'Say: He is Allah, (the) One...' and he recited the Surah to the end. Then he recited: 'Say: I seek refuge with (Allah) the Lord of the daybreak...' and I recited it with him until the end. Then he recited: 'Say: I seek refuge with (Allah) the Lord of mankind...' and I recited it with him until the end. Then he said: 'No one ever sought refuge (with Allah) by means of anything like them