ὁ αὐτὸς ἔφησε τὸν μὲν ὕπνον ὀλιγοχρόνιον θάνατον, τὸν δὲ θάνατον πολυχρόνιον ὕπνον → Plato said that sleep was a short-lived death but death was a long-lived sleep
subs.
Ingratitude: P. ἀχαριστία, ἡ.
Forgetfulness: P. and V. λήθη, ἡ.
Odiousness: use P. τὸ ἐπίφθονον.