What is the significance of the Oracle of Delphi in the play?

The Oracle of Delphi holds significant importance in "Oedipus Rex" as it is the source of the prophecy that ultimately drives Oedipus's actions throughout the play. Upon seeking guidance for the plague afflicting Thebes, Oedipus consults the Oracle, which reveals that he will kill his father and marry his mother. This prophecy sets the tragic course of Oedipus's life into motion, leading him on a quest for truth and understanding that ultimately results in his downfall.

The gravity of this prophecy cannot be understated, as it fuels Oedipus's determination to defy fate and prove his intelligence by unraveling the mystery of King Laius’s murder. The Oracle’s role illustrates the theme of fate versus free will, highlighting that Oedipus's attempts to escape his destiny only fulfill it further. Thus, the Oracle serves as a powerful catalyst for the unfolding tragedy, emphasizing how prophecy and fate intertwine within the narrative.