Ἱππουκρήνη

From LSJ

τὸ αὐτοφυὲς κρεῖττον τοῦ ἑτεροδιδάκτου → what is inborn is better than what is taught by others

Source

Russian (Dvoretsky)

Ἱππουκρήνη: ἡ Hes. = Ἱπποκρήνη.