The document discusses Sophocles' 'Oedipus Rex' as a classical tragedy featuring the tragic hero Oedipus, who is noble yet flawed, experiencing downfall due to his excessive pride and poor judgment. It outlines the characteristics of a tragic hero according to Aristotle, emphasizing Oedipus' journey from prosperity to adversity, resulting from both personal flaws and fate. Ultimately, the play conveys the lesson that pride precedes downfall, encapsulating the tragic essence of human existence.