Sahih Muslim 576

صحيح مسلم#576Sahih

Jabir reported:'Umar b. Khattab said that a person performed ablution and left a small part equal to the space of a nail (unwashed). The Apostle of Allah (ﷺ) saw that and said: Go back and perform ablution well. He then went back (performed ablution well) and offered the prayer

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: 2:43

All of Sahih Muslim