Hadithcore
Sahih Muslim, 181 b
sahih

Hammad b. Salama narrated it on the same authority and added:

He then recited the verse:" Those who do good will have the best reward and even more" (x. 26)

حَدَّثَنَا أَبُو بَكْرِ بْنُ أَبِي شَيْبَةَ، حَدَّثَنَا يَزِيدُ بْنُ هَارُونَ، عَنْ حَمَّادِ بْنِ سَلَمَةَ، بِهَذَا الإِسْنَادِ وَزَادَ ثُمَّ تَلاَ هَذِهِ الآيَةَ ‏{‏ لِلَّذِينَ أَحْسَنُوا الْحُسْنَى وَزِيَادَةٌ‏}‏

References2 variants
In-Book Reference
Book 1, Hadith 355
USC-MSA web (English) reference
Book 1, Hadith 348 (deprecated numbering scheme)