Oedipus (Dryden play) the construction of a play, the playwright is the "master-workman" who needs "many subordinate hands, many tools to his assistance", including "history, geography, or moral philosophy." The plot is the base of the building, the characters and their manners the sides of it. All parts must be fitted properly to the whole; every part is neatly tied in. "Oedipus, a Tragedy" was based on Sophocles's "Oedipus", but the original drama was crucially changed in several respects. Dryden and Lee add a subplot of secondary characters – a love story about Adrastus, prince of Argos, and Eurydice, Oedipus' daughter. Unlike Corneille,
Oedipus at Colonus a city in which proper boundaries and identities are not maintained, allowing the playwright to explore themes like incest, murder, and hubris in a safe setting. While the two other plays about Oedipus often bring up the theme of a person's moral responsibility for their destiny, and whether it is possible to rebel against destiny, "Oedipus at Colonus" shows Oedipus's resolution of the problem. In "Oedipus Rex," he was told by Tiresias, "You bear your fate and I will bear mine," a message repeated by the Chorus, but scorned by Oedipus, who like his father has believed he can escape