They let us go. It's the only explanation for the ease of our escape.
6 seconds sound clip from the Star Wars: Episode IV - A New Hope (1977) movie soundboard.
You can hear this line at 01:36:47 in the Blu-ray version of the movie.
Quote context
[...]
- They've just made the jump into hyperspace.
- You're sure the homing beacon is secure aboard their ship?
- I'm taking an awful risk, Vader. This had better work.
- Not a bad bit of rescuing, huh? You know, sometimes I amaze even myself.
- That doesn't sound too hard.
- They let us go. It's the only explanation for the ease of our escape.
- They're tracking us. Not this ship, sister.
- At least the information in R2 is still intact.
- What's so important? What's he carrying?
[...]