Sunan Ibn Majah 3789
سنن ابن ماجه#3789Sahihحَدَّثَنَا عَلِيُّ بْنُ مُحَمَّدٍ، حَدَّثَنَا وَكِيعٌ، عَنْ سُفْيَانَ، عَنْ أَبِي قَيْسٍ الأَوْدِيِّ، عَنْ عَمْرِو بْنِ مَيْمُونٍ، عَنْ أَبِي مَسْعُودٍ الأَنْصَارِيِّ، قَالَ قَالَ رَسُولُ اللَّهِ ـ صلى الله عليه وسلم ـ " اللَّهُ أَحَدٌ الْوَاحِدُ الصَّمَدُ تَعْدِلُ ثُلُثَ الْقُرْآنِ " .
It was narrated that Abu Masud Al Ansari said:"The Messenger of Allah(ﷺ) said: "Allahu ahad, Al-Wahidus-Samad [Allah (the) One, the One the Self-Sufficient Master] is equivalent to one third of the Quran
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: 33:133