Sunan Ibn Majah 4184
سنن ابن ماجه#4184Sahihحَدَّثَنَا إِسْمَاعِيلُ بْنُ مُوسَى، حَدَّثَنَا هُشَيْمٌ، عَنْ مَنْصُورٍ، عَنِ الْحَسَنِ، عَنْ أَبِي بَكْرَةَ، قَالَ قَالَ رَسُولُ اللَّهِ ـ صلى الله عليه وسلم ـ " الْحَيَاءُ مِنَ الإِيمَانِ وَالإِيمَانُ فِي الْجَنَّةِ وَالْبَذَاءُ مِنَ الْجَفَاءِ وَالْجَفَاءُ فِي النَّارِ " .
It was narrated from Abu Bakrah that the Messenger of Allah (ﷺ) said:“Modesty is part of faith, and faith will be in Paradise. Obscenity in speech is part of harshness and harshness will be in Hell.’”
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: 37:85