Mind your Ps and Qs is an English expression meaning "mind your manners", "mind your language", "be on your best behaviour" or similar.
Read more about Mind Your Ps And Qs: Origin Theories, Examples
Famous quotes containing the word mind:
“Sense is a line, the mind is a circle. Sense is like a line which is the flux of a point running out from itself, but intellect like a circle that keeps within itself.”
—Ralph J. Cudworth (1617–1688)