ζῆν οὐκ ἄξιος, ὅτῳ μηδὲ εἷς ἐστι χρηστὸς φίλος → life is not worth living if you do not have at least one friend
ἀπαρασκευάστως: без подготовки (πολεμῆσαι Arst.).
improvisadamente
