It wasnarrated from Abu Bakrah that the Messenger of Allah (ﷺ)said:
"Modesty is part of faith, and faith will be in Paradise.Obscenityin speech is part of harshness and harshness will be inHell.'" (FR)
English reference (FR): Vol. 5, Book 37, Hadith 4184 (FR)
Arabic reference (FR): Book 37, Hadith 4324 (FR)