Read and reflect on verse 1240 from Surah At-Tawba: And so, when the sacred months are over, slay those who ascribe divinity to aught beside God wherever you may come upon them, and take them captive, a...
فَإِذَا انْسَلَخَ الْأَشْهُرُ الْحُرُمُ فَاقْتُلُوا الْمُشْرِكِينَ حَيْثُ وَجَدْتُمُوهُمْ وَخُذُوهُمْ وَاحْصُرُوهُمْ وَاقْعُدُوا لَهُمْ كُلَّ مَرْصَدٍ ۚ فَإِنْ تَابُوا وَأَقَامُوا الصَّلَاةَ وَآتَوُا الزَّكَاةَ فَخَلُّوا سَبِيلَهُمْ ۚ إِنَّ اللَّهَ غَفُورٌ رَحِيمٌ
And so, when the sacred months are over, slay those who ascribe divinity to aught beside God wherever you may come upon them, and take them captive, and besiege them, and lie in wait for them at every conceivable place! Yet if they repent, and take to prayer, and render the purifying dues, let them go their way: for, behold, God is much forgiving, a dispenser of grace.