Sunan an-Nasa'i 855
سنن النسائي#855Sahihأَخْبَرَنَا إِسْحَاقُ بْنُ إِبْرَاهِيمَ، قَالَ حَدَّثَنَا عَبْدُ الْعَزِيزِ بْنُ مُحَمَّدٍ، عَنِ ابْنِ طَحْلاَءَ، عَنْ مُحْصِنِ بْنِ عَلِيٍّ الْفِهْرِيِّ، عَنْ عَوْفِ بْنِ الْحَارِثِ، عَنْ أَبِي هُرَيْرَةَ، عَنْ رَسُولِ اللَّهِ صلى الله عليه وسلم قَالَ " مَنْ تَوَضَّأَ فَأَحْسَنَ الْوُضُوءَ ثُمَّ خَرَجَ عَامِدًا إِلَى الْمَسْجِدِ فَوَجَدَ النَّاسَ قَدْ صَلَّوْا كَتَبَ اللَّهُ لَهُ مِثْلَ أَجْرِ مَنْ حَضَرَهَا وَلاَ يَنْقُصُ ذَلِكَ مِنْ أُجُورِهِمْ شَيْئًا " .
It was narrated from Abu Hurairah that the Messenger of Allah (ﷺ) said:"Whoever performs wudu' and does it well, then sets out for the Masjid and finds that the people have already prayed, Allah will decree for him a reward like that of those who attended (the prayer), without reducing the slightest from their reward
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: 10:79