كَلَّاۖ بَلۡۜ رَانَ عَلَىٰ قُلُوبِهِم مَّا كَانُواْ يَكۡسِبُونَ
Kallaa bal raana 'alaa quloobihim maa kaanoo yaksiboon
By no means! but on their hearts is the stain of the (ill) which they do!
— Al-Mutaffifin (ٱلْمُطَفِّفِين), 83:14

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كَلَّاۖ بَلۡۜ رَانَ عَلَىٰ قُلُوبِهِم مَّا كَانُواْ يَكۡسِبُونَ
Kallaa bal raana 'alaa quloobihim maa kaanoo yaksiboon
By no means! but on their hearts is the stain of the (ill) which they do!
— Al-Mutaffifin (ٱلْمُطَفِّفِين), 83:14
كَلَّاۖ بَلۡۜ رَانَ عَلَىٰ قُلُوبِهِم مَّا كَانُواْ يَكۡسِبُونَTransliteration: Kallaa bal raana 'alaa quloobihim maa kaanoo yaksiboon
Translation (Yusuf Ali): By no means! but on their hearts is the stain of the (ill) which they do!
This is verse 14 of Surah Al-Mutaffifin (ٱلْمُطَفِّفِين, meaning "Those Who Deal in Fraud"), the 83th surah of the Quran. It is a Meccan surah with 36 total verses.