ἀγαθῇ γὰρ μοίρᾳ ἄξεσθε ἡσυχίαν → for with good fortune you will live in peace
assiduous: P. and V. λιπαρής (Plato), Ar. γλισχρός.
industrious: P. φιλόπονος, φιλεργός.
obstinate: P. and V. αὐθάδης, V. ἔμπεδος.