Al A'raf, 106 Ayah
7:106
قَالَ إِن كُنتَ جِئۡتَ بِـَٔايَةٖ فَأۡتِ بِهَآ إِن كُنتَ مِنَ ٱلصَّٰدِقِينَ ١٠٦
Qāla 'In Kunta Ji'ta Bi'āyatin Fa'ti Bihā 'In Kunta Mina Aş-Şādiqīna
[Pharaoh] said, "If you have come with a sign, then bring it forth, if you should be of the truthful."