περὶ οὐδὲν γὰρ οὕτως ὑπάρχει τῶν ἀνθρωπίνων ἔργων βεβαιότης ὡς περὶ τὰς ἐνεργείας τὰς κατ' ἀρετήν → since none of man's functions possess the quality of permanence so fully as the activities in conformity with virtue
Eurydĭca: ae, f., = Εὐρυδίκη,
I the name of a slave of Rhea Sylvia; Euridica, Enn. ap. Cic. Div. 1, 20.