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Ἓν οἶδα, ὅτι οὐδὲν οἶδα → I know only one thing, that I know nothing | all I know is that I know nothing.
P. and V. ἄρρητος.
extraordinary: P. and V. ἀμήχανος.
unnumbered: P. and V. ἀναρίθμητος, V. ἀνάριθμος, ἀνήριθμος, μυρίος (also Plato but rare P.).