# Oedipus at Colonus — Key Concepts & Themes

> Key concepts in Oedipus at Colonus by Sophocles.

- [Sacred exile](https://www.betterreads.dev/discover/oedipus_at_colonus_se/concepts/sacred-exile.md): The polluted outcast of Oedipus Rex becomes, at Colonus, a figure whose death will bless or curse the land that receives him.
- [Filial duty](https://www.betterreads.dev/discover/oedipus_at_colonus_se/concepts/filial-duty.md): Antigone and Ismene divide the labor of care — one walks beside the blind father daily, while sisters and brothers argue over inheritance and loyalty.
- [Thebes, Athens, and political rivalry](https://www.betterreads.dev/discover/oedipus_at_colonus_se/concepts/political-rivalry.md): Creon’s force and Polynices’s plea turn the dying Oedipus into a strategic asset — cities fight over where his curse and blessing will land.
- [Blindness and final insight](https://www.betterreads.dev/discover/oedipus_at_colonus_se/concepts/blind-insight.md): Oedipus’s physical blindness in Colonus matches moral clarity — he sees what kings and sons still scramble to control.

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