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].

وعن حذيفة رضي الله عنه قال: قال رسول الله ﷺ :
"لا يدخل الجنة نمام" ((متفق عليه)).