Surah Al-Hajj (The Pilgrimage), Verse 39

اُذِنَ لِلَّذِیْنَ یُقٰتَلُوْنَ بِاَنَّهُمْ ظُلِمُوْا وَاِنَّ اللّٰهَ عَلٰی نَصْرِهِمْ لَقَدِیْرُ ۟

Uzina lillazeena yuqaataloona bi annahum zulimoo; wa innal laaha 'alaa nasrihim la Qaderr

“To those against whom war is made, permission is given (to fight), because they are wronged;- and verily, Allah is most powerful for their aid;-”

Quran 22:39 (Yusuf Ali Translation)