Plato, Hippias Major, Hippias Minor, Ion, Menexenus, Cleitophon, Timaeus, Critias, Minos, Epinomis, Τίμαιος 67:

(플라톤, Hippias Major, Hippias Minor, Ion, Menexenus, Cleitophon, Timaeus, Critias, Minos, Epinomis, Τίμαιος 67:)

ἔστιν οὖν δὴ κατ’ ἐμὴν δόξαν πρῶτον διαιρετέον τάδε· τί τὸ ὂν ἀεί, γένεσιν δὲ οὐκ ἔχον, καὶ τί τὸ γιγνόμενον μὲν ἀεί, ὂν δὲ οὐδέποτε;