7:106
قَالَ إِن كُنتَ جِئْتَ بِـَٔايَةٍۢ فَأْتِ بِهَآ إِن كُنتَ مِنَ ٱلصَّٰدِقِينَ
Qaala in kunta ji'ta bi Aayatin faati bihaaa in kunta minas saadiqeen
[Pharaoh] said, "If you have come with a sign, then bring it forth, if you should be of the truthful."
