Sahih Muslim 6618
صحيح مسلم#6618SahihThis hadith has been transmitted on the authority of A'mash and in the hadith transmitted on the authority of 'Isa the words are:Make it a source of reward, and in the hadith transmitted on the authority of Abu Huraira (the words are):" Make it a source of mercy
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Every narration in Sahih Muslim is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 45:116