Sahih Muslim 1862
صحيح مسلم#1862SahihA'isha reported Allah's Messenger (ﷺ) (as saying):One who is proficient in the Qur'an is associated with the noble, upright, recording angels; and he who falters in it, and finds it difficult for him, will have two rewards
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: 6:290