Surah Al-Mutaffifin, Verse 14

كـَلَّاۖ بَلۡۜ رَانَ عَلَىٰ قُلُوبِهِم مَّا كَانُواْ يَكۡسِبُونَ١٤

kallā bal rāna ʿalā qulūbihim mā kānū yaksibūna

No! Rather, the stain has covered their hearts of that which they were earning.