Sunan Ibn Majah 189
سنن ابن ماجه#189Sahihحَدَّثَنَا مُحَمَّدُ بْنُ يَحْيَى، حَدَّثَنَا صَفْوَانُ بْنُ عِيسَى، عَنِ ابْنِ عَجْلاَنَ، عَنْ أَبِيهِ، عَنْ أَبِي هُرَيْرَةَ، قَالَ قَالَ رَسُولُ اللَّهِ ـ صلى الله عليه وسلم ـ " كَتَبَ رَبُّكُمْ عَلَى نَفْسِهِ بِيَدِهِ قَبْلَ أَنْ يَخْلُقَ الْخَلْقَ رَحْمَتِي سَبَقَتْ غَضَبِي " .
It was narrated that Abu Hurairah said:"The Messenger of Allah said: 'Your Lord wrote for Himself with His Own Hand before He created the creation: "My mercy precedes My wrath
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:
Al-AlbaniHasan Sahih
Muhammad Fouad Abd al-BaqiHasan Sahih
Zubair Ali ZaiIsnaad Sahih