PRIEST: ... You came and by your coming saved our city, 40 freed us from the tribute which we paid of old to the Sphinx,7 cruel singer. This you did in virtue of no knowledge we could give you, in virtue of no teaching; it was God that aided you, men say, and you are held 45 with God’s assistance to have saved our lives. Now Oedipus, Greatest in all men’s eyes, here falling at your feet we all entreat you, find us some strength for rescue....
Meanwhile, the king Oedipus tries to find out the Laius murder. Laius is the king before Oedipus who died without somebody knows what happened actually. Oedipus actually does not know about Laius before Creon, his brother in law, tell him.
CREON: My lord, before you piloted the state we had a king called Laius.
OEDIPUS: I know of him by hearsay. I have not seen him.
Furthermore,