Quran 9, Al-Tawba (Repentance) ⓘ

9:123O ye who believe! Fight those of the disbelievers who are near to you, and let them find harshness in you, and know that Allah is with those who keep their duty (unto Him).

يَا أَيُّهَا الَّذِينَ آمَنُوا قَاتِلُوا الَّذِينَ يَلُونَكُمْ مِنَ الْكُفَّارِ وَلْيَجِدُوا فِيكُمْ غِلْظَةً وَاعْلَمُوا أَنَّ اللَّهَ مَعَ الْمُتَّقِينَ