Narrated 'Uqbah bin 'Amir Al-Juhani:
that the Prophet (ﷺ) said: "Some Ayat have been revealed to me the likes of which have not been seen: Qul A'udhu Birabbin-Nas until the end of the Surah and Qul A'udhu Birabbil-Falaq until the end of the Surah." (FR)
English reference (FR): Vol. 5, Book 42, Hadith 2902 (FR)
Arabic reference (FR): Book 45, Hadith 3149 (FR)