﴿ إِنَّآ أَرْسَلْنَآ إِلَيْكُمْ رَسُولًۭا شَٰهِدًا عَلَيْكُمْ كَمَآ أَرْسَلْنَآ إِلَىٰ فِرْعَوْنَ رَسُولًۭا ﴾

“BEHOLD, [O men,] We have sent unto you an apostle who shall bear witness to the truth before you, even as We sent an apostle unto Pharaoh:”

Lo! We have sent unto you a messenger) i.e. Muhammad (pbuh) (as witness against you) that he has conveyed the message, (even as We sent unto Pharaoh a messenger) i.e. Moses.