Silence means consent
Possible interpretation: The idea here is that if you don't disagree, you automatically agree. Keeping quiet is the same as giving permission.Note: silence (noun): absence of sound; not speaking | consent (noun): agreement; permission | The principle of "silence means consent" is not accepted in English law.
Origin: From the Latin: "Qui tacet consentire videtur" ("He who is silent seems to consent")
If "silence means consent" and you say nothing when a friend suggests robbing a bank, it means that you