وعن أبي الدرداء رضي الله عنه
قال: قال رسول الله صلى الله عليه وسلم: «لا يكون اللعانون شفعاء، ولا شهداء يوم القيامة»
The Messenger of Allah (sallallahu alayhi wa sallam) said, “Those who frequently resort to cursing (people) would neither be accepted as witnesses nor as intercessors on the Day of Resurrection.”.
Riyad as-Salihin 1553, Book 18, The Book of the Prohibited actions, Hadith 43. 1 min read