وَإِن عاقَبتُم فَعاقِبوا بِمِثلِ ما عوقِبتُم بِهِ ۖ وَلَئِن صَبَرتُم لَهُوَ خَيرٌ لِلصّابِرينَ

If you retaliate, then retaliate proportionately to the offense committed against you. However, if you endure, it is indeed better for those who are patient.