فَقَتلاً بِتَقتيلٍ وَعَقراً بِعَقرِكُم

جَزاءَ العُطاسِ لا يَموتُ مَنِ اِثَّأَر

With slaughter for your slaughter, and ravage for your ravaging

The reward for the generous is he who takes revenge does not die