Quranic verses as regards to Rasulullah being a teacher
The Quran affirms the fact that Rasulullah is a teacher to the people and to all mankind despite his illiteracy and his desert environment.
Ally says: “It is He who sent among the illiterate ones a Messenger from among them – reciting to them His verses, purifying them and teaching them the Book. And wisdom. Although they were in manifest error before this.” (62:2)
Allah says: “ We sent you to the people as a Messenger. Allah is sufficient as a witness.” (4:79)
Allah says: “We sent you to all the peope as a bearer of glad tidings and a warner. But most people do not know.” (34:28)