Sura 21 Al-Anbiya (The Prophets), aya 55

1. قَالُوا أَجِئْتَنَا بِالْحَقِّ أَمْ أَنْتَ مِنَ اللَّاعِبِينَ

   They said, "Have you come to us with truth, or are you of those who jest?"

   21:55

Tafsiri: Saheeh International