Bulugh al-Maram, Book 16, Hadith 1514 (In-Book) ⓘ
Abu ad-Darda’ (RAA) narrated that the Messenger of Allah said: “Men accustomed to cursing will not be intercessors or witnesses on the Day of Resurrection.” Related by Muslim.
وَعَنْ أَبِي اَلدَّرْدَاءِ - رضى الله عنه - قَالَ: قَالَ رَسُولُ اَللَّهِ - صلى الله عليه وسلم -{ إِنَّ اَللَّعَّانِينَ لَا يَكُونُونَ شُفَعَاءَ, وَلَا شُهَدَاءَ يَوْمَ اَلْقِيَامَةِ } أَخْرَجَهُ مُسْلِمٌ. (1976). 3 - صحيح. رواه مسلم (2589) (86).
also referenced under: Book 16, Hadith 1557 (English)