ENOfficial
Narrated Abu Bakrah (RA): I heard Allah's Messenger (ﷺ) say, "No judge should give judgement between two people while he is angry." .
Source: sunnah.com
Other translations
Arabic
وَعَنْ أَبِي بَكْرَةَ - رضى الله عنه - قَالَ: سَمِعْتُ رَسُولَ اَللَّهِ - صلى الله عليه وسلم -يَقُولُ: { " لَا يَحْكُمُ أَحَدٌ بَيْنَ اِثْنَيْنِ, وَهُوَ غَضْبَانُ" } مُتَّفَقٌ عَلَيْهِ 1 .
sunnah.com