You were our only hope.
2 seconds sound clip from the Star Wars: Episode VI - Return of the Jedi movie soundboard.
You can hear this line at 00:47:26.702 in the Blu-ray version of the movie.
Quote context
[...]
- He's more machine now than man, twisted and evil.
- You cannot escape your destiny. You must face Darth Vader again.
- Then the Emperor has already won.
- The other he spoke of is your twin sister.
- To protect you both from the Emperor, you were hidden from your father when you were born.
- The Emperor knew, as I did, if Anakin were to have any offspring, they would be a threat to him.
- That is the reason why your sister remains safely anonymous.
[...]