Ibn al-Najjar said: “The sultans submitted to al-Nāṣir; those who had opposed him entered under his authority; the haughty were humbled before him, and rebels were crushed by his sword. His adversaries were driven back, he opened many lands, and came to rule territories that no one before him had possessed. The Friday sermon was delivered in his name in both al-Andalus and China. He was the lion of the Banū al-ʿAbbās: mountains would split from the dread he inspired, and kings would bow to his might. Handsome in appearance and of the sweetest disposition, he was consummately refined, fluent and eloquent. His rescripts were sure-footed and his words divinely aided. His days were a bright star on the face of time, a pearl in the diadem of glory. (1)

The chamberlain ʿAlī ibn Muḥammad ibn Jaʿfar related: A signed decree issued from him to the Chief of the Treasury, Jalāl al-Dīn ibn Yūnus (2):
“It does not befit the holders of this station to embark upon any matter without first considering its outcome, for reflection before action is better than regret after the chance has passed. The innocent are not to be seized on the word of enemies—every adviser has a detractor—and no one is to be mulcted of his wealth who has not betrayed his trust, for confiscation is a reward fit only for the unjust. Let chastity and God-consciousness stand guard over you.”

Another decree from him read:
“We have repeatedly written to you about what Allah has made obligatory upon us and what we are bound to discharge. How, then, can the condition of the people be neglected until the hidden burden falls fully upon them? Do justice to each man, and confront the official unless he can prevail with a lawful proof.”

Judge Ibn Wāṣil (3) said: “Al-Nāṣir was noble-spirited and courageous, possessed of sound judgment, a steady intellect, and shrewd cunning. The awe he inspired was immense. He kept informants throughout Iraq and the rest of the provinces who furnished him with reports on even the smallest matters (4), so much so that it is related that a man in Baghdad—”