كتاب الأدب
Read the English translation first, with the original Arabic directly underneath.
Abu al-Darda’ said :
I heard the Messenger of Allah (ﷺ) say: Men given to cursing will not be witnesses or intercessors.
لاَ يَكُونُ اللَّعَّانُونَ شُفَعَاءَ وَلاَ شُهَدَاءَ