فَوَرَبِّ السَّمَاءِ وَالْأَرْضِ إِنَّهُ لَحَقٌّ مِثْلَ مَا أَنَّكُمْ تَنْطِقُونَ 23
Then by the Lord of the heaven and earth, indeed, it is truth - just as [sure as] it is that you are speaking.