51:38

Adh-Dhaariyat 51:38

وَفِى مُوسَىٰٓ إِذْ أَرْسَلْنَٰهُ إِلَىٰ فِرْعَوْنَ بِسُلْطَٰنٍۢ مُّبِينٍۢ

Wa fee Moosaaa iz arsalnaahu ilaa Fir'wna bisultaa nim mubeen

There is also a Sign for you in the story of Moses when We sent him with a clear authority to Pharaoh.