Sahih Muslim 4672
صحيح مسلم#4672SahihIt has been reported on the authority of Sahl b. Sa'd who said:The Messenger of Allah (ﷺ) came to us while we were digging the ditch and were carrying the earth on our shoulders. (Seeing our condition), he said: O God, there is no life but the life of the Hereafter. So forgive Thou the Muhajirs and the Ansar
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: 32:154