كَذٰلِكَkadhālikaThusيَطْبَعُyaṭbaʿuAllah sealsاللّٰهُl-lahuAllah sealsعَلٰىʿalā[on]قُلُوبِqulūbi(the) heartsالَّذ۪ينَalladhīna(of) those whoلَاlā(do) notيَعْلَمُونَyaʿlamūnaknowIt is thus that God seals the hearts of those who do not know.