Tragedy in Ovid's Metamorphoses common one throughout the world of ancient tragedy. This theme is most clearly illustrated in Aeschylus' great trilogy the Oresteia and in Sophocles' trilogy on Oedipus. As in Hecuba's speech, characters from the works of Aeschylus and Sophocles both lament their great losses and what has led them to this point. One of the best examples of this theme that Ovid so clearly draws upon is the speech given by a messenger in Oedipus Rex that tells of the death of Jocasta and the blinding of Oedipus. This famous speech follows in the same theme of that given by Hecuba,
Oedipus Rex mother, and shed/With [his] own hands the blood of [his] own sire"". Desperate to avoid this terrible fate, Oedipus, who still believes that Polybus and Merope are his true parents, leaves Corinth for the city of Thebes. On the road to Thebes, Oedipus encounters Laius and his retainers, and the two quarrel over whose chariot has the right of way. The Theban king moves to strike the insolent youth with his sceptre, but Oedipus, unaware that Laius is his true father, throws the old man down from his chariot, killing him. Thus, Laius is slain by his own son, and