(9) باب الْقَاضِي يَقْضِي وَهُوَ غَضْبَانُ
'Abd al-Rahman bin Abi Bakrah reported on the authority of his father that he wrote to his son:
The Messenger of Allah (ﷺ) said: A judge should not decide between the two while he is in anger.
Reference: Sunan Abi Dawud 3589
In-book reference: Book 25, Hadith 19
English translation: Book 24, Hadith 3582