Full Sharh — Sahih Muslim 1865
حَدَّثَنَا مُحَمَّدُ بْنُ الْمُثَنَّى، وَابْنُ، بَشَّارٍ قَالاَ حَدَّثَنَا مُحَمَّدُ بْنُ جَعْفَرٍ، حَدَّثَنَا شُعْبَةُ، قَالَ سَمِعْتُ قَتَادَةَ، يُحَدِّثُ عَنْ أَنَسٍ، قَالَ قَالَ رَسُولُ اللَّهِ صلى الله عليه وسلم لأُبَىِّ بْنِ كَعْبٍ " إِنَّ اللَّهَ أَمَرَنِي أَنْ أَقْرَأَ عَلَيْكَ { لَمْ يَكُنِ الَّذِينَ كَفَرُوا} " . قَالَ وَسَمَّانِي لَكَ قَالَ " نَعَمْ " . قَالَ فَبَكَى .
English Translation
Anas reported Allah's Messenger (ﷺ) as saying to Ubayy b. Ka`b:Allah has commanded me to recite to you:" Those who disbelieve were not..." (al-Qur'an, xcviii. 1). He said: Did He mention me by name? He (the Prophet said): Yes. Upon this he shed tears (of gratitude)
Source
Sahih Muslim(صحيح مسلم)
The Book of Prayer - Travellers
Hadith Number
1865