The Holy Quran 83:14 — Surah Al-Mutaffifin

Arabic text

كَلَّا ۖ بَلْ ۜ رَانَ عَلَىٰ قُلُوبِهِم مَّا كَانُوا۟ يَكْسِبُونَ

Translation

Never! (These are not fables, but the absolute truth!) In fact, (they refuse to believe because) the rust(stain) of their sins has covered (sealed) their hearts (so that no truth can penetrate it).

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