Sunan an-Nasa'i 5432
سنن النسائي#5432SahihAbu 'Abdullah narrated that Ibn 'Abis Al-Juhani told him that:The Messenger of Allah [SAW] said to him: "O Ibn 'Abis, shall I not tell you of the best thing with which those who seek refuge with Allah may do so?" He said: "Yes, O Messenger of Allah." He said: "Say: I seek refuge with (Allah) the Lord of the daybreak.", "Say: I seek refuge with (Allah) the Lord of mankind." - these two Surahs
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Abu GhuddahSahih
Al-AlbaniSahih
Zubair Ali ZaiHasan
In-book reference: 50:5