Sahih al-Bukhari 4783

Arabic

حَدَّثَنِي مُحَمَّدُ بْنُ بَشَّارٍ، حَدَّثَنَا مُحَمَّدُ بْنُ عَبْدِ اللَّهِ الأَنْصَارِيُّ، قَالَ حَدَّثَنِي أَبِي، عَنْ ثُمَامَةَ، عَنْ أَنَسِ بْنِ مَالِكٍ ـ رضى الله عنه ـ قَالَ نُرَى هَذِهِ الآيَةَ نَزَلَتْ فِي أَنَسِ بْنِ النَّضْرِ ‏{‏مِنَ الْمُؤْمِنِينَ رِجَالٌ صَدَقُوا مَا عَاهَدُوا اللَّهَ عَلَيْهِ‏}‏‏.‏

English translation

Narrated Anas:We think that the Verse: 'Among the Believers are men who have been true to their covenant with Allah,' was revealed in favor of Anas bin An-Nadr

Reference: Sahih al-Bukhari 4783, Book of Prophetic Commentary on the Qur'an (Tafseer of the Prophet (pbuh)). English translation by Dr. Muhammad Muhsin Khan.