Simplify the following text for a Grade 11 native English-speaking person.
Original: Pitar 's close friends are Carpediem , who enunciates Latin phrases and quotes the writers of Classical Antiquity , and Lao , who frequently refers to Chinese philosophy .
Simplified: Pitar 's close friends are Carpediem , who says Latin phrases and quotes the writers of Classical Antiquity , and Lao , who often refers to Chinese philosophy .