Sunan Abi Dawud 1259
سنن أبي داود#1259Sahihحَدَّثَنَا أَحْمَدُ بْنُ يُونُسَ، حَدَّثَنَا زُهَيْرٌ، حَدَّثَنَا عُثْمَانُ بْنُ حَكِيمٍ، أَخْبَرَنِي سَعِيدُ بْنُ يَسَارٍ، عَنْ عَبْدِ اللَّهِ بْنِ عَبَّاسٍ، أَنَّ كَثِيرًا، مِمَّا كَانَ يَقْرَأُ رَسُولُ اللَّهِ صلى الله عليه وسلم فِي رَكْعَتَىِ الْفَجْرِ بِـ { آمَنَّا بِاللَّهِ وَمَا أُنْزِلَ إِلَيْنَا } هَذِهِ الآيَةَ قَالَ هَذِهِ فِي الرَّكْعَةِ الأُولَى وَفِي الرَّكْعَةِ الآخِرَةِ بِـ { آمَنَّا بِاللَّهِ وَاشْهَدْ بِأَنَّا مُسْلِمُونَ } .
Narrated 'Abd Allah b. 'Abbas:The Messenger of Allah (ﷺ) used to recite in both rak'ahs of the dawn prayer: "Say: We believe in Allah and in the revelation given to us" (3:84) . This is in the first rak'ah and in the second rak'ah (he recited): "We believe in Allah and bear witness that we submit ourself (to Him)." (3:)
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: 5:10