E. Cobham Brewer 18101897. Dictionary of Phrase and Fable. 1898.
Silence gives Consent,
Latin, Qui tacet consentire videtur; Greek, Auto de to sigan homologountos esti sou (Euripids); French, Assez consent qui ne dit mot; Italian, Chi tace confessa.
1
But that you shall not say I yield, being silent,