Δελφῖνα νήχεσθαι διδάσκεις: ἐπὶ τῶν ἐν ἐκείνοις τινὰ παιδοτριβούντων, ἐν οἷς ἤσκηται → Teaching dolphins to swim: is applied to those who are teaching something among people who are already well versed in it
Full diacritics: προσμᾰθητέον | Medium diacritics: προσμαθητέον | Low diacritics: προσμαθητέον | Capitals: ΠΡΟΣΜΑΘΗΤΕΟΝ |
Transliteration A: prosmathētéon | Transliteration B: prosmathēteon | Transliteration C: prosmathiteon | Beta Code: prosmaqhte/on |
A one must learn besides, X.Oec.13.1.