What rational argument does Creon use to convince Oedipus that he as no desgns on the throne of Thebes?

Creon argues that he has no motivation to usurp the throne because he already enjoys power and authority as the brother of Jocasta, the Queen. He emphasizes that being king comes with heavy responsibilities and burdens, which he is not eager to assume. Additionally, Creon points out that he is content with his current status and does not desire more power.