You don't know a thing about what's going on today.
3 seconds sound clip from the The Sword in the Stone (1963) movie soundboard.
You can hear this line at 01:12:12.720 in the Blu-ray version of the movie.
Quote context
[...]
- And I thought you were going to amount to something. I thought you had a few brains!
- A stooge for that big lunk, Kay.
- What do you want me to be? I'm nobody.
- You don't know a thing about what's going on today.
- I'm lucky to be Kay's squire.
- Oh, an island way off somewhere that hasn't been discovered yet.
- Who knows? Who knows anything?
[...]