Oedipus at Colonus sons, in the end Oedipus is accepted and absolved by Zeus. In the years between the play's composition and its first performance, Athens underwent many changes. Defeated by the Spartans, the city was placed under the rule of the Thirty Tyrants, and the citizens who opposed their rule were exiled or executed. This certainly affected the way that early audiences reacted to the play, just as the invasion of Athens and its diminished power surely affected Sophocles as he wrote it. The play contrasts the cities of Athens and Thebes quite sharply. Thebes is often used in Athenian dramas as
Oedipus Rex verbally accuses him of complicity in Laius' murder. Outraged, Tiresias tells the king that Oedipus himself is the murderer ("You yourself are the criminal you seek"). Oedipus cannot see how this could be, and concludes that the prophet must have been paid off by Creon in an attempt to undermine him. The two argue vehemently, as Oedipus mocks Tiresias' lack of sight, and Tiresias in turn tells Oedipus that he himself is blind. Eventually Tiresias leaves, muttering darkly that when the murderer is discovered he shall be a native citizen of Thebes, brother and father to his own children, and