الْأَدَبُ الْمُفْرَدُ
Al-Adab al-Mufrad 425
Disparaging
When two people revile one another, the responsibility
وَقَالَ النَّبِيُّ صلى الله عليه وسلم: أَتَدْرُونَ مَا الْعَضْهُ؟ قَالُوا: اللَّهُ وَرَسُولُهُ أَعْلَمُ، قَالَ: نَقْلُ الْحَدِيثِ مِنْ بَعْضِ النَّاسِ إِلَى بَعْضٍ، لِيُفْسِدُوا بَيْنَهُمْ.
The Prophet, (ﷺ), said, "Do you know what calumny is?" They said, "No, Allah and His Messenger know best." He said, "Telling people what other people have said in order to create dissension between them."
Al-Adab Al-Mufrad, 425Sahih (Al-Albani)صـحـيـح (الألباني)