Sahih Muslim 6778
صحيح مسلم#6778SahihJundub (i. e. Ibn 'Abdullah) reported that Allah's Messenger (ﷺ) said:Recite the Qur'an as long as your hearts agree to do so and when you find variance between them, then stand up
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: 47:4