σιγᾶν ἄμεινον ἢ λαλεῖν ἃ μὴ πρέπει → it's better to keep silence than to say what's not appropriate (Menander)
quickly: P. and V. σπουδῇ, διὰ τάχους, ἐν τάχει.
rashly: P. προπετῶς, ἀσκέπτως; see rashly.
