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From LSJ
Ἀναξαγόρας δύο ἔλεγε διδασκαλίας εἶναι θανάτου, τόν τε πρὸ τοῦ γενέσθαι χρόνον καὶ τὸν ὕπνον → Anaxagoras used to say that we have two teachers for death: the time before we were born and sleep | Anaxagoras said that there are two rehearsals for death: the time before being born and sleep
expedient: P. and V. πόρος, ὁ, σόφισμα, τό, μηχανή, ἡ, μηχάνημα, τό, τέχνημα, τό (Plato).
means of escape: P. and V. ἀποστροφή, ἡ.