Sunan an-Nasa'i 3435
سنن النسائي#3435SahihIt was narrated from Abu Hurairah that the Prophet said:"Allah, the Most High, has forgiven my Ummah for whatever enters the mind, so long as it is not spoken of or put into action
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Abu GhuddahSahih
Al-AlbaniSahih
Zubair Ali ZaiSahih
In-book reference: 27:47