That's your uncle talking.
4 seconds sound clip from the Star Wars: Episode IV - A New Hope (1977) movie soundboard.
You can hear this line at 00:36:27 in the Blu-ray version of the movie.
Quote context
[...]
- I need your help, Luke. She needs your help.
- I'm getting too old for this sort of thing.
- I can't get involved. I've got work to do.
- It's not that I like the Empire. I hate it, but there's nothing I can do about it right now.
- It's all such a long way from here.
- My uncle. How am I ever gonna explain this?
- Learn about the Force, Luke.
- Look, I can take you as far as Anchorhead.
- You can get a transport there to Mos Eisley or wherever you're going.
- You must do what you feel is right, of course.
[...]
Sound clips of famous quotes and sound effects sampled from Star Wars: Episode IV - A New Hope) that you can use as ringtones. All waveform sound bites are in wav and mp3 format.
Actors: Mark Hamill (Luke Skywalker), Harrison Ford (Han Solo), Darth Vader (James Earl Jones), Carrie Fisher (Princess Leia), Alec Guinness (Obi-Wan Kenobi), Anthony Daniels (C-3PO)
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