The tragedy of Oedipus Rex, a drama text by Sophocles, follows the moral underpinning Greek tragedy theme throughout - that people learn through suffering. The plot is developed around a light verses darkness theme. This theme is best demonstrated through Oedipus' pride, his encounters with Tiresias, and his wife Jocasta.
The irony of sight in this play can be marked by Oedipus' inability to realize that which is evident to the reader. From the very beginning, Oedipus was in darkness by pride. With the city of Thebes dying, Oedipus vows to do everything in his power to find Laius' killer. The leader of the chorus advises Oedipus that no one knows the identity of the murderer, and that the god Apollo should name him to the people. Oedipus replies "to force the gods to act against their will- no man has the power."(320) He has called on the blind seer, Tiresias, who can "see" what Oedipus can not though he suffers of old age and physical blindness.
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