ἀμαθητεύτως

From LSJ

Βίων δύο ἔλεγε διδασκαλίας εἶναι θανάτου, τόν τε πρὸ τοῦ γενέσθαι χρόνον καὶ τὸν ὕπνονBion used to say that we have two teachers for death: the time before we were born and sleep | Bion said that there are two rehearsals for death: the time before being born and sleep

Source

Spanish (DGE)

adv. sin educación μόνη δὲ ἡ τέχνη τῶν τεχνῶν ἀ. ἐπιτηδεύεται Nil.M.79.748D.