ENOfficial
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.’”
Source: sunnah.com
Other translations
Arabic
حَدَّثَنَا 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 " .
sunnah.com