ἡ κέρκος τῇ ἀλώπεκι μαρτυρεῖ → you can tell a fox by its tail, small traits give the clue to the character of a person
adj.
P. and V. ἀνήκεστος, δυσίατος (Plat.), V. δύσκηλος, P. ἀνίατος.