σὺν μυρίοισι τὰ καλὰ γίγνεται πόνοις → good things come with many pains | no pain, no gain
unyielding: P. ἰσχυρός, V. ἔμπεδος.
firm, secure: P. and V. βέβαιος.
persevering: P. and V. λιπαρής (Plato), Ar. γλισχρός.
ceaseless: P. ἄπαυστος; see incessant.
