أَمْ يَقُولُونَ ٱفْتَرَىٰ عَلَى ٱللَّهِ كَذِبًا ۖ فَإِن يَشَإِ ٱللَّهُ يَخْتِمْ عَلَىٰ قَلْبِكَ ۗ وَيَمْحُ ٱللَّهُ ٱلْبَـٰطِلَ وَيُحِقُّ ٱلْحَقَّ بِكَلِمَـٰتِهِۦٓ ۚ إِنَّهُۥ عَلِيمٌۢ بِذَاتِ ٱلصُّدُورِ
Am yaqooloonaf tara 'alal laahi kaziban fa-iny yasha il laahu yakhtim 'alaa qalbik; wa yamhul laahul baatila wa yuhiqqul haqqa bi Kalimaatih; innahoo 'Aleemum bizaatis sudoor
Or do they say, "He has invented a lie about God"? If God willed, he could seal your heart. And God wipes out falsehood and confirms the truth by his words. Indeed, he knows what is held within the heart.