Narrated Zirr bin Hubaish: I asked Ubai bin Ka`b regarding the two Muwwidhat (Surats of taking refuge with Allah). He said, "I asked the Prophet about them, He said, 'These two Surats have been recited to me and I have recited them (and are present in the Qur'an).' So, we say as Allah's Messenger said (i.e., they are part of the Qur'an."
Hadith Referenceصحيح البخاري / كتاب تفسير القرآن / 4976
Hadith Gradingمحدثین:أحاديث صحيح البخاريّ كلّها صحيحة
Narrated Zirr bin Hubaish: I asked Ubai bin Ka`b, "O Abu AlMundhir! Your brother, Ibn Mas`ud said so-and-so (i.e., the two Mu'awwidh-at do not belong to the Qur'an)." Ubai said, "I asked Allah's Messenger about them, and he said, 'They have been revealed to me, and I have recited them (as a part of the Qur'an)," So Ubai added, "So we say as Allah's Messenger has said."
Hadith Referenceصحيح البخاري / كتاب تفسير القرآن / 4977
Hadith Gradingمحدثین:أحاديث صحيح البخاريّ كلّها صحيحة
Narrated Warrad: (the freed slave of Al-Mughira bin Shu`ba) Muawiya wrote to Mughira. 'Write to me what you heard the Prophet saying after his prayer.' So Al-Mughira dictated to me and said, "I heard the Prophet saying after the prayer, 'None has the right to be worshipped but Allah Alone Who has no partner. O Allah! No-one can withhold what You give, and none can give what You withhold, and the fortune of a man of means is useless before You (i.e., only good deeds are of value).
Hadith Referenceصحيح البخاري / كتاب القدر / 6615
Hadith Gradingمحدثین:أحاديث صحيح البخاريّ كلّها صحيحة