Sahih Muslim 7482
صحيح مسلم#7482SahihAbu Huraira reported Allah's Messenger (ﷺ) as saying:The servant speaks words that he does not understand its repercussions but he sinks down in Hell-Fire farther than the distance between the east and the west
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: 55:65