Sahih Muslim 331
صحيح مسلم#331SahihIt is narrated on the authority of Abu Huraira that the Messenger of Allah (ﷺ) observed:Verily Allah forgave my people the evil promptings which arise within their hearts as long as they did not speak about them or did not act upon them
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: 1:238