οὐ γὰρ πράξιν ἀγαθὴν, ἀλλὰ καὶ εὖ ποεῖν αὐτὴν → it does not suffice to do good–one must do it well
SourceGreek (Liddell-Scott)
φᾰγέειν: καὶ φᾰγέμεν, Ἰων. καὶ Ἐπικ. ἀντὶ τοῦ φαγεῖν, Ὀδ.
Greek Monotonic
φᾰγέειν: και φᾰγέμεν, Επικ. αντί φαγεῖν.
Russian (Dvoretsky)
φᾰγέειν: ион. = φᾰγεῖν.