Your post is full of ridiculous statements, one of which is all Messengers spoke Arabic because their names are in Arabic in the Quran!
DUDE!!!! The Quran is in arabic because it was revealed to arab speakers so naturally it would 'arabise' their names!
Arabic is spoken in Egypt because Muslim ARAB SPEAKERS WENT THERE in the same way that English is a universal language now because the English conquered half the world a few centuries back! I suppose hieroglyphics is the precursor of Arabic calligraphy!