τῶν δ᾽ ὀρθουμένων σῴζει τὰ πολλὰ σώμαθ᾽ ἡ πειθαρχία → But of those who make it through, following orders is what saves most of their lives (Sophocles, Antigone 675f.)
vain: P. and V. μάταιος, ἀνήνυτος, P. ἄκαρπος, ἄπρακτος, V. ἀκάρπωτος.