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
v. intrans.
P. φιλονεικεῖν.
Carp at: P. and V. μέμφεσθαι (acc. or dat.), ψέγειν (acc.).
