Surah Al-Baqarah (The Cow), Verse 190

وَقَاتِلُوْا فِیْ سَبِیْلِ اللّٰهِ الَّذِیْنَ یُقَاتِلُوْنَكُمْ وَلَا تَعْتَدُوْا اِنَّ اللّٰهَ لَا یُحِبُّ الْمُعْتَدِیْنَ ۟

Wa qaatiloo fee sabeelillaahil lazeena yuqaatiloonakum wa laa ta'tadooo; innal laaha laa yuhibbul mu'tadeen

“Fight in the cause of Allah those who fight you, but do not transgress limits; for Allah loveth not transgressors.”

Quran 2:190 (Yusuf Ali Translation)