Leave this child on the mountain-side and pierce its feet with an iron pin, so that it might not even crawl to safety.
Cadmus, the son of Agnor, killed a fierce dragon to protect his town. Once he killed the dragon Athene told him to sow the dragon's teeth into the ground.
I can not leave this innocent child here.
Laius and Jocasta give birth to a nameless child. Apollo's oracle foretold his future which was that he was destined one day to kill his father, and to become his own mother's husband.
Cadmus ordered one of the servants to leave the child on the mountain-side and pierce its feet with an iron pin, so that it might not even crawl to safety. This would prevent from the prophecy from happening.
I solved your riddle and now I will destroy you
The servant did not have the heart to leave the child to behind. Instead, he bring's him to a fellow labourer, a Corinthian shepherd. The Corinthian brought the child to his master, the King of Corinth (due to the fact that the king and his wife are childless). They gladly adopt him and call him Oedipus (Swollen-foot), because of his pierced feet.
After finding out about his curse, Oedipus flees Corinth so then he will never set eyes on his supposed mother and father as long as they live.
Oedipus arrives in Thebes, where there was confusion and chaos. The city was under control of a deadly monster, the Sphinx. The Sphinx was destroying all who failed to answer her riddle. But when Oedipus answered the riddle he destroyed her power, which resulted in peaceful joy in the town of Thebes