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. (JA)
English reference (JA): Book 16, Hadith 1557 (JA)
Arabic reference (JA): Book 16, Hadith 1514 (JA)