ἢ λέγε τι σιγῆς κρεῖττον ἢ σιγὴν ἔχε → either say something better than silence or keep silence (Menander)
arrhalis arrhalis, arrhale ADJ :: of a pledge/security
arrhālis: (arrāl-), e, adj. arrha,
I of a pledge: pactum, Diocl. Cod. 4, 49, 3.
arrhālis, s. arralis.