To the officers of his army
Nahj al-Balāgha|Volume 1|Book 2|Chapter 50
مِنْ عَبْدِ اللَّهِ عَلِيِّ [بْنِ أَبِي طَالِبٍ] أَمِيرِ الْمُؤْمِنِينَ إِلَى أَصْحَابِ الْمَسَالِحِ
From the servant of Allāh, ‘Alī, Amīr al-mu’minīn to the Officer-in-charge of garrisons :