Sunan Ibn Majah 3797
سنن ابن ماجه#3797Da'ifحَدَّثَنَا إِبْرَاهِيمُ بْنُ الْمُنْذِرِ الْحِزَامِيُّ، حَدَّثَنَا زَكَرِيَّا بْنُ مَنْظُورٍ، حَدَّثَنِي مُحَمَّدُ بْنُ عُقْبَةَ، عَنْ أُمِّ هَانِئٍ، قَالَتْ قَالَ رَسُولُ اللَّهِ ـ صلى الله عليه وسلم ـ " لاَ إِلَهَ إِلاَّ اللَّهُ لاَ يَسْبِقُهَا عَمَلٌ وَلاَ تَتْرُكُ ذَنْبًا " .
It was narrated that Umm Hani' said:"The Messenger of Allah(ﷺ) said: (About saying) La ilaha illah - no deed takes precedence over it and it does not leave any sin
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-AlbaniDaif
Muhammad Fouad Abd al-BaqiDaif
Shuaib Al ArnautDaif
Zubair Ali ZaiDaif
In-book reference: 33:141