Chapter on the Etiquettes of Judgment
Man Lā Yaḥḍuruh al-Faqīh|Volume 3|Book 1|Chapter 10
وَ قَالَ اَلنَّبِيُّ صَلَّى اَللَّهُ عَلَيْهِ وَ آلِهِ: "مَنِ اُبْتُلِيَ بِالْقَضَاءِ فَلْيُسَاوِ بَيْنَهُمْ فِي اَلْإِشَارَةِ وَ اَلنَّظَرِ فِي اَلْمَجْلِسِ ".
The Prophet (peace be upon him and his family) said: "Whoever is tested with judging should treat them equally in gestures and glances within the gathering."
- Ṣaḥīḥ al-Faqīh