Oedipus Rex

Oedipus Rex, also known as Oedipus the King, by Sophocles - the most read masterpiece of Greek tragedy that towers above all others. This work by Sophocles is included on the AP English Reading List for the College Board Advanced Placement program.
How dreadful the knowledge of the truth can be When there’s no help in truth.
Oedipus Rex is the primary tale in Sophocles' Three Theban Plays