Quran 83:29 from Surah Al-Mutaffifin on Divine Marvels.
إِنَّ ٱلَّذِينَ أَجۡرَمُواْ كَانُواْ مِنَ ٱلَّذِينَ ءَامَنُواْ يَضۡحَكُونَ
English translation: Indeed those who committed crimes used (to) at those who believed laugh
Transliteration: inna alladhina ajramu kanu mina alladhina amanu yadhakuna