Simplify the following text for a Grade 8 native English-speaking person.
Original: Nobel prize-winner and fellow countryman Naguib Mahfouz was mentored by Salama Moussa , who is quoted as saying to Mahfouz : `` You have much talent , but your essays are no good . ''
Simplified: Salama Moussa was a mentor of Naguib Mahfouz . Mahfouz was an Egyptian Nobel prize-winner in literature .