παροιμιάζεσθαι
From LSJ
Οὐκ ἔστι σιγᾶν αἰσχρόν, ἀλλ' εἰκῆ λαλεῖν → Silere non est turpe, sed frustra loqui → nicht Schweigen schändet, sondern Schwätzen auf gut Glück
Greek > English (Woodhouse Verbs Reversed)
(see also παροιμιάζω): speak in aphorisms, speak in proverbs