Dalil
العربية

Quran Al-Anbya 21:55

قَالُوٓاْ أَجِئۡتَنَا بِٱلۡحَقِّ أَمۡ أَنتَ مِنَ ٱللَّٰعِبِينَ

Translation

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