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