Surah Ash-Shura (The Consultation), Verse 41

وَلَمَنِ انْتَصَرَ بَعْدَ ظُلْمِهٖ فَاُولٰٓىِٕكَ مَا عَلَیْهِمْ مِّنْ سَبِیْلٍ ۟

Wa lamanin tasara ba'da zulmihee fa ulaaa'ika maa 'alaihim min sabeel

“But indeed if any do help and defend themselves after a wrong (done) to them, against such there is no cause of blame.”

Quran 42:41 (Yusuf Ali Translation)