εἰς πέλαγος σπέρµα βαλεῖν καὶ γράµµατα γράψαι ἀµφότερος µόχθος τε κενὸς καὶ πρᾶξις ἄκαρπος → throwing seeds and writing letters at sea are both a vain and fruitless endeavor
subs.
Punishment: P. and V. τιμωρία, ἡ, τίσις, ἡ (Plat.), ζημία, ἡ. P. κόλασις, ἡ, V. ποινή, ἡ, or pl. (rare P.), ἄποινα, τά (rare P.), ἀντίποινα, τά; see penalty. Personified: V. Νέμεσις, ἡ.