How do you mean?
3 seconds sound clip from the 2001: A Space Odyssey (1968) movie soundboard.
You can hear this line at 01:08:20 in the Blu-ray version of the movie.
Quote context
[...]
- That's a very nice rendering, Dave. I think you've improved a great deal.
- Can you hold it a bit closer?
- Sure.
- That's Dr. Hunter, isn't it?
- By the way, do you mind if I ask you a personal question?
- Well, it's rather difficult to define.
- Perhaps I'm just projecting my own concern about it.
- I'm sure you'll agree there's some truth in what I say.
- That's a rather difficult question to answer.
[...]