Allah mentions a debate that took place between Musa and Fir`awn, and Musa's refuting Fir`awn with the unequivocal proof and clear miracles, in the presence of Fir`awn and his people, the Copts of Egypt.Allah said,وَقَالَ مُوسَى يَا فِرْعَوْنُ إِنِّي رَسُولٌ مِّن رَّبِّ الْعَالَمِينَAnd Musa said:"O Fir`awn! Verily, I am a Messenger from the Lord of all that exists".meaning Musa said, `the one Who sent me is the Creator, Lord and King of all things,