Al-Nabigha said:
(God refuses anything but His justice and His fulfillment... so the unknown [nukr] is not known, nor is the known [al-'urf] lost.)
قَالَ النَّابِغَة:
(أَبَى اللَّهُ إِلَّا عَدْلَهُ ووَفَاءَهُ … فَلَا النُّكْرُ مَعْروفٌ وَلَا الْعرف ضائع)