Simplify the following text for a Grade 10 native English-speaking person.
Original: Oedipus eventually learns of the Delphic Oracle 's prophecy of him , that he would kill his father and marry his mother ; Oedipus attempts to flee his fate without harming his parents ( at this point , he does not know that he is adopted ) .
Simplified: Oedipus eventually learns of the Delphic Oracle 's prophecy of him , that he would kill his father and marry his mother .