Bulugh al-Maram, Book 16, Hadith 1541 (English) ⓘ
Ibn ’Abbas (RAA) narrated that the Messenger of Allah said: “Don’t dispute with your brother; don’t make jokes with him; and don’t make him a promise which you would break.” Related by At-Tirmidhi with a weak chain of narrators.
وَعَنْ اِبْنِ عَبَّاسٍ -رَضِيَ اَللَّهُ عَنْهُمَا- قَالَ: قَالَ رَسُولُ اَللَّهِ - صلى الله عليه وسلم -{ لَا تُمَارِ أَخَاكَ, وَلَا تُمَازِحْهُ, وَلَا تَعِدْهُ مَوْعِدًا فَتُخْلِفَهُ } أَخْرَجَهُ اَلتِّرْمِذِيُّ بِسَنَدٍ فِيهِ ضَعْفٌ. (1961). 3 - ضعيف. رواه الترمذي (1995) وفي سنده ليث بن أبي سليم.
also referenced under: Book 16, Hadith 1498 (In-Book)