Yep. And of course "Mum's the word!" https://en.wikipedia.org/wiki/Mum%27s_the_word https://en.wikipedia.org/wiki/Mum%27s_the_word Though in terms of Shakesp

Yep. And of course "Mum's the word!" https://en.wikipedia.org/wiki/Mum%27s_the_word https://en.wikipedia.org/wiki/Mum%27s_the_word Though in terms of Shakespeare, my favorite bit on keeping quiet is actually Iago's last line: "Demand me nothing: what you know, you know: From this time forth I never will speak word." My wife and I tend to quote it around Christmas and birthdays. :-)