They see on the stage that an Oedipus or a Thyestes or a Macareus, when undeceived, are ready to kill themselves.
Oedipus and Amyntor and Theseus cursed their children, and their curses took effect.
When the poet introduces on the stage a Thyestes or an Oedipus, or a Macareus having secret intercourse with his sister, he represents him, when found out, ready to kill himself as the penalty of his sin.
ATHENIAN: Oedipus, as tradition says, when dishonoured by his sons, invoked on them curses which every one declares to have been heard and ratified by the Gods, and Amyntor in his wrath invoked curses on his son Phoenix, and Theseus upon Hippolytus, and innumerable others have also called down wrath upon their children, whence it is clear that the Gods listen to the imprecations of parents; for the curses of parents are, as they ought to be, mighty against their children as no others are.
Mount Cithaeron is famously associated with the myth of Oedipus, one of the most tragic figures in Greek mythology.
According to the myth, King Laius of Thebes, having been warned by an oracle that his son would kill him and marry his wife, ordered that the newborn Oedipus be abandoned on Mount Cithaeron to die.
Oedipus’s fate later unfolded tragically, fulfilling the prophecy despite his and his parents’ efforts to avoid it.
Between 1650 and 1654, Athanasius Kircher (2 May 1602 – 27 November 1680) published four volumes of "translations" of hieroglyphs in the context of his Coptic studies. However, according to Steven Frimmer, "none of them even remotely fitted the original texts". In Oedipus Aegyptiacus, Kircher argued under the impression of the Hieroglyphica that ancient Egyptian was the language spoken by Adam and Eve, that Hermes Trismegistus was Moses.