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
prō-mŏnĕo: ŭi, ĭtum, 2, v. a.,
I to warn or admonish further: ibi te igitur videbo et promonebo, Cic. Att. 4, 12 fin. B. and K. (dub.; al. promovebo).