اقرأ سُورَةُ النَّحۡلِ 16:126: "وَإِنْ عَاقَبْتُمْ فَعَاقِبُوا بِمِثْلِ مَا عُوقِبْتُمْ بِهِ ۖ وَلَئِنْ صَبَرْتُ..." النص العربي الكامل والترجمة الإنجليزية ومنشئ الصور.
وَإِنْ عَاقَبْتُمْ فَعَاقِبُوا بِمِثْلِ مَا عُوقِبْتُمْ بِهِ ۖ وَلَئِنْ صَبَرْتُمْ لَهُوَ خَيْرٌ لِلصَّابِرِينَ
Hence, if you have to respond to an attack (in argument], respond only to the extent of the attack levelled against you; but to bear yourselves with patience is indeed far better for (you, since God is with] those who are patient in adversity.