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
ἀέκητι, ἀεκαστί, ἀεκαζόμενος, ἀέκητα, ἀκούσιος, ἀκουσίως, ἀθέλητος, ἀθελήτως