Surah Al-Mutaffifin, Verse 29

إِنَّ ٱلَّذِينَ أَجۡرَمُواْ كَانُواْ مِنَ ٱلَّذِينَ ءَامَنُواْ يَضۡحَكُونَ٢٩

inna alladhīna ajramū kānū mina alladhīna āmanū yaḍḥakūna

Indeed, those who committed crimes used to laugh at those who believed.