What's an author's purpose?
Malarie held Trent's hand tightly, not wanting him to get lost. They have never been in such a busy city. They have never seen so many people at once. Cars honked and people hurried along the sidewalk. Everyone had somewhere to go. everyone knew where they were going. Everyone except them.

The main themes of the play are: fate and free will with the inevitability of oracular predictions is a theme that often occurs in greek tragedies the conflict between the individual and the state similar to that in sophocles’ “antigone” and   people’s willingness to ignore painful truths both oedipus and jocasta clutch at unlikely details in order to avoiding facing up to the inceasingly apparent truth and sight and blindness the irony that the blind seer tiresius can actually “see” more clearly than the supposedly clear-eyed oedipus, who is in reality blind to the truth about his origins and his inadvertent crimes.