Abu ad-Darda' (RAA) narrated that the Messenger of Allah (ﷺ) said:
"Men accustomed to cursing will not be intercessors or witnesses on the Day of Resurrection." Related by Muslim. (IT)
English reference (IT): Book 16, Hadith 1557 (IT)
Arabic reference (IT): Book 16, Hadith 1514 (IT)