α1011Ἄκρον λάβε καὶ μέσον ἕξεις
seize the extremity and you will have the mean
[sc. A proverbial saying] in reference to things that are mysterious and difficult to understand.
Ἄκρον λάβε καὶ μέσον ἕξεις· ἐπὶ τῶν δυσφράστων καὶ δυσνοήτων.