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
oath: P. and V. ὅρκος, ὁ or pl., ὅρκιον, τό (Thuc.) or pl., V. ὁρκώματα, τά; see oath.
bad language, curse: P. and V. ἀρά, ἡ; see also abuse.