κάλλιστον ἐφόδιον τῷ γήρᾳ ἡ παιδεία (Aristotle, quoted by Diogenes Laertius 5.21) → the finest provision for old age is education
(see also ἐπαναστρέφω): turn back
reverti, to return, 4.130.6, 8.105.3.