وَقَاتِلُوهُمْ حَتَّى لاَ تَكُونَ فِتْنَةٌ وَيَكُونَ الدِّينُ كُلُّهُ لِلّه فَإِنِ انتَهَوْاْ فَإِنَّ اللّهَ بِمَا يَعْمَلُونَ بَصِيرٌ
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سورة الأنفال
(8/39) And fight with them until there is no more Fitne (mischief) and the Religion is all for Allah. But if they desist (from disbelief), then surely, Allah is All-Seeing of what you do.
Surah Al-Anfal