Surah Al-Mutaffifin — Ayah 29 (83:29)
إِنَّ ٱلَّذِينَ أَجۡرَمُواْ كَانُواْ مِنَ ٱلَّذِينَ ءَامَنُواْ يَضۡحَكُونَ ٢٩
English translation (Saheeh International)
Indeed, those who committed crimes used to laugh at those who believed.
Brief commentary
Those who committed wrong by the disbelief they held used to mockingly laugh at those who had faith.