Sunan Abi Dawud 1481
سنن أبي داود#1481Sahihحَدَّثَنَا أَحْمَدُ بْنُ حَنْبَلٍ، حَدَّثَنَا عَبْدُ اللَّهِ بْنُ يَزِيدَ، حَدَّثَنَا حَيْوَةُ، أَخْبَرَنِي أَبُو هَانِئٍ، حُمَيْدُ بْنُ هَانِئٍ أَنَّ أَبَا عَلِيٍّ، عَمْرَو بْنَ مَالِكٍ حَدَّثَهُ أَنَّهُ، سَمِعَ فَضَالَةَ بْنَ عُبَيْدٍ، صَاحِبَ رَسُولِ اللَّهِ صلى الله عليه وسلم يَقُولُ سَمِعَ رَسُولُ اللَّهِ صلى الله عليه وسلم رَجُلاً يَدْعُو فِي صَلاَتِهِ لَمْ يُمَجِّدِ اللَّهَ تَعَالَى وَلَمْ يُصَلِّ عَلَى النَّبِيِّ صلى الله عليه وسلم فَقَالَ رَسُولُ اللَّهِ صلى الله عليه وسلم " عَجِلَ هَذَا " . ثُمَّ دَعَاهُ فَقَالَ لَهُ أَوْ لِغَيْرِهِ " إِذَا صَلَّى أَحَدُكُمْ فَلْيَبْدَأْ بِتَحْمِيدِ رَبِّهِ جَلَّ وَعَزَّ وَالثَّنَاءِ عَلَيْهِ ثُمَّ يُصَلِّي عَلَى النَّبِيِّ صلى الله عليه وسلم ثُمَّ يَدْعُو بَعْدُ بِمَا شَاءَ " .
Narrated Fudalah ibn Ubayd,: The Messenger of Allah (ﷺ) heard a person supplicating during prayer. He did not mention the greatness of Allah, nor did he invoke blessings on the Prophet (ﷺ). The Messenger of Allah (ﷺ) said: He made haste. He then called him and said either to him or to any other person: If any of you prays, he should mention the exaltation of his Lord in the beginning and praise Him; he should then invoke blessings on the Prophet (ﷺ); thereafter he should supplicate Allah for anything he wishes
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: 8:66