AL BAYYINA H 452 "Allah, the Mighty, the Glorified, has ordered me to recite to you (Ubayy) the chapter 98, Al-Bayyina: The Proof. Ubayy asked: 'Did He name me?' The Prophet, praise and peace be upon him, replied: 'Yes', whereupon Ubayy sobbed deeply." R 452 Bukhari and Muslim with a chain up to Anas who related that the Prophet, praise and peace be upon him, said this to Ubayy, the son of Ka'ab
451- وعن أنس رضي الله عنه ، قَالَ : قَالَ رسول الله صلى الله عليه وآله وسلم لأُبَي بن كعب رضي الله عنه : "إنَّ الله تعالى أَمَرَنِي أنْ أقْرَأَ عَلَيْكَ : [ لَمْ يَكُنِ الَّذِينَ كَفَروا ... ] قَالَ : وَسَمَّانِي ؟ قَالَ : "نَعَمْ" فَبَكَى أُبَيٌّ . متفقٌ عَلَيْهِ . وفي رواية : فَجَعَلَ أُبَيٌّ يَبْكِي .