Sunan an-Nasa'i 871
سنن النسائي#871Sahihأَخْبَرَنَا حُمَيْدُ بْنُ مَسْعَدَةَ، عَنْ يَزِيدَ بْنِ زُرَيْعٍ، قَالَ حَدَّثَنَا سَعِيدٌ، عَنْ زِيَادٍ الأَعْلَمِ، قَالَ حَدَّثَنَا الْحَسَنُ، أَنَّ أَبَا بَكْرَةَ، حَدَّثَهُ أَنَّهُ، دَخَلَ الْمَسْجِدَ وَالنَّبِيُّ صلى الله عليه وسلم رَاكِعٌ فَرَكَعَ دُونَ الصَّفِّ فَقَالَ النَّبِيُّ صلى الله عليه وسلم " زَادَكَ اللَّهُ حِرْصًا وَلاَ تَعُدْ " .
Abu Bakrah narrated that he entered the Masjid when the when the Prophet (ﷺ) was bowing, so he bowed outside the row. The Prophet said:"May Allah increase you in keenness, but do not do this again
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:
In-book reference: 10:95