κάλλιστον ἐφόδιον τῷ γήρᾳ ἡ παιδεία (Aristotle, quoted by Diogenes Laertius 5.21) → the finest provision for old age is education
obstinacy: P. αὐθάδεια, ἡ, Ar. and V. αὐθαδία, ἡ, V. αὐθαδίσματα, τά.
disobedience: P. ἀνηκουστία, ἡ (Plato).
