Those who choose disbelief, instead of belief, do not hurt God in the least; they have incurred a painful retribution.
إِنَّ الَّذينَ اشتَرَوُا الكُفرَ بِالإيمٰنِ لَن يَضُرُّوا اللَّهَ شَيـًٔا وَلَهُم عَذابٌ أَليمٌ
innal lazeenash tarawul kufra bil eemaani lai yadurrul laaha shai’anw wa lahum ‘azaabun aleem