you learn something new every day

you learn something new every day

cliché Used to emphasize the fact that one just learned something that they weren't aware of up to that point. A: "There are some minor tweaks to be made, but for all intensive purposes, the app is finished." B: "You mean 'for all intents and purposes.'" A: "Really? I've been saying it wrong all these years? Huh, you learn something new every day."
See also: every, learn, new, something
Farlex Dictionary of Idioms.
See also:
  • 200
  • do not pass Go, do not collect $200
  • do not pass Go, do not collect two hundred dollars
  • Eskimo(s) have (some amount of) words for snow
  • Ding, ding, ding, we have a winner!
  • compute
  • (something) does not compute
  • a sight to behold
  • X's and Y's and Z's, oh my!
  • (Do) (you) come here often?