لِكُلِّ امْرِئٍ مِنْ دَهْرِهِ مَا تَعَوَّدَا
وَعَادَةُ سَيْفِ الدَّوْلَةِ الطَّعْنُ فِي العِدَا
Every person has from their time what they accustomed
And Sayf al-Dawla's habit is stabbing enemies
المصدر · Source: Diwan al-Mutanabbi. Sharh al-Ukbari. In praise of Sayf al-Dawla