Hudhaifah (May Allah be pleased with him) said:
The Messenger of Allah (ﷺ) said, "The person who goes about with calumnies will never enter Jannah."[Al-Bukhari and Muslim]. (RU)
App reference (RU): Book 18, Hadith 26 (RU)
Arabic/English book reference (RU): Book 18, Hadith 1536 (RU)