The quest of identity was caused by the act of human will in response to fate, which is another prominent theme in this playwright. The reason for the King Laius tries to change his fate of dying by the hand of his son and marrying his wife, Jocasta, by abandoning him on the mountains of Cithaeron to die. Fate keeps Oedipus alive as the shepherd ordered to leave him on the mountain pities him, and Oedipus ends up being adopted by King Polybus and Queen Merope of Corinth. Oedipus grows up and learns of the fate, so he leaves Corinth to save his parents and himself, unaware that they are not his biological parents. This action shows yet again the defiance of humans against unwanted fate. Fate is destined to happen no matter what, so when Oedipus
