30.الرُّوْم

كَذٰلِكَ يَطۡبَعُ اللّٰهُ عَلٰى قُلُوۡبِ الَّذِيۡنَ لَا يَعۡلَمُوۡنَ‏

That is how Allah seals the hearts of the people who do not know (the Truth).