Surah Ash-Shuraa, Verse 41

وَلَمَنِ ٱنتَصَرَ بَعۡدَ ظُلۡمِهِۦ فَأُوْلَٰٓئِكَ مَا عَلَيۡهِم مِّن سَبِيلٍ٤١

walamani intaṣara baʿda ẓul'mihi fa-ulāika mā ʿalayhim min sabīlin

And whoever retaliates after having been wronged - those have not upon them any cause [for blame].