κάλλιστον ἐφόδιον τῷ γήρᾳ ἡ παιδεία (Aristotle, quoted by Diogenes Laertius 5.21) → the finest provision for old age is education
P. and V. ἀδικία, ἡ, τὸ ἀδικον, τὰ ἄδικα.
unjust act: P. and V. ἀδίκημα, τό.
wrong-fulness: P. παρανομία, ἡ.