Quran 30:59 from Surah Ar-Room on Divine Marvels.
كَذَٰلِكَ يَطۡبَعُ ٱللَّهُ عَلَىٰ قُلُوبِ ٱلَّذِينَ لَا يَعۡلَمُونَ
English translation: Thus Allah seals Allah seals [on] (the) hearts (of) those who (do) not know
Transliteration: kadhalika yatba'u al-lahu ala qulubi alladhina la ya'lamuna