Jami` at-Tirmidhi 476
جامع الترمذي#476Da'ifحَدَّثَنَا مُحَمَّدُ بْنُ عَبْدِ الأَعْلَى الْبَصْرِيُّ، حَدَّثَنَا يَزِيدُ بْنُ زُرَيْعٍ، عَنْ نَهَّاسِ بْنِ قَهْمٍ، عَنْ شَدَّادٍ أَبِي عَمَّارٍ، عَنْ أَبِي هُرَيْرَةَ، قَالَ قَالَ رَسُولُ اللَّهِ صلى الله عليه وسلم " مَنْ حَافَظَ عَلَى شُفْعَةِ الضُّحَى غُفِرَ لَهُ ذُنُوبُهُ وَإِنْ كَانَتْ مِثْلَ زَبَدِ الْبَحْرِ " . قَالَ أَبُو عِيسَى وَقَدْ رَوَى وَكِيعٌ وَالنَّضْرُ بْنُ شُمَيْلٍ وَغَيْرُ وَاحِدٍ مِنَ الأَئِمَّةِ هَذَا الْحَدِيثَ عَنْ نَهَّاسِ بْنِ قَهْمٍ وَلاَ نَعْرِفُهُ إِلاَّ مِنْ حَدِيثِهِ .
Abu Hurairah narrated that :Allah's Messenger said: "Whoever continuously performs the two Rak'ah of Ad-Duha his sins will be forgiven, even if they be like the foam of the sea
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: 3:24