Posted by Stan on October 30, 2002
In Reply to: Archives on P's and Q's posted by R. Berg on October 30, 2002
: : "Mind your P's and Q's." Can someone please tell me what this means and where it originated? Thank you!
: It means "Behave properly." A previous discussion contains several proposals about its origin: https://www.phrases.org.uk/bulletin_board/13/messages/1416.html (link below).
Thank you R. Berg. I should have checked the archives first, as I just did with "There is something rotten in the state of Denmark." (Hamlet)