Someone must have told them about my little manoeuvre at the Battle of Tanaab.
3 seconds sound clip from the Star Wars: Episode VI - Return of the Jedi movie soundboard.
You can hear this line at 00:48:42.695 in the Blu-ray version of the movie.
Quote context
[...]
- That is the reason why your sister remains safely anonymous.
- Your insight serves you well.
- Bury your feelings deep down, Luke. They do you credit, but they could be made to serve the Emperor.
- Well, look at you, a general, huh?
- Someone must have told them about my little manoeuvre at the Battle of Tanaab.
- I'm surprised they didn't ask you to do it.
- Who says they didn't? But I ain't crazy.
- You're the respectable one, remember?
- The Emperor's made a critical error, and the time for our attack has come.
[...]