Sahih Muslim 7410
صحيح مسلم#7410Sahihوَحَدَّثَنَا أَبُو بَكْرِ بْنُ أَبِي شَيْبَةَ، حَدَّثَنَا يُونُسُ بْنُ مُحَمَّدٍ، عَنْ حَمَّادِ بْنِ سَلَمَةَ، عَنْ ثَابِتٍ، عَنْ أَنَسٍ، أَنَّ رَجُلاً، سَأَلَ رَسُولَ اللَّهِ صلى الله عليه وسلم مَتَى تَقُومُ السَّاعَةُ وَعِنْدَهُ غُلاَمٌ مِنَ الأَنْصَارِ يُقَالُ لَهُ مُحَمَّدٌ فَقَالَ رَسُولُ اللَّهِ صلى الله عليه وسلم " إِنْ يَعِشْ هَذَا الْغُلاَمُ فَعَسَى أَنْ لاَ يُدْرِكَهُ الْهَرَمُ حَتَّى تَقُومَ السَّاعَةُ " .
Anas reported that a person asked Allah's Messenger (ﷺ) as to when the Last Hour would come. He had in his presence a young boy of the Ansar who was called Muhammad. Allah's Messenger (ﷺ) said:If this young boy lives, he may not grow very old till (he would see) the Last Hour coming to you
Scholarly Authentication
The label above is the grade most of these scholars gave — one dissenting opinion no longer speaks for all of them. If any scholar calls a narration fabricated, that verdict is shown instead, whatever the others say. Each scholar's own wording:
Every narration in Sahih Muslim is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 54:171