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ἐν χρείᾳ εἶναι

Ὁ δ' ἀνεξέταστος βίος οὐ βιωτὸς ἀνθρώπῳ -> The unexamined life is not worth living
Plato, Apology of Socrates 38a

Greek > English (Woodhouse Phrases Reversed)

ἐν χρείᾳ εἶναι = be in use

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