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 indeed thou hast come with a Sign, show it forth,- if thou tellest the truth."
