Certainly no one could have been unaware of the very strange stories floating around before we left. Rumors about something being dug up on the moon.

12 seconds sound clip from the 2001: A Space Odyssey (1968) movie soundboard.

You can hear this line at 01:08:57 in the Blu-ray version of the movie.

Quote context

[...]

- I know I've never completely freed myself of the suspicion that there are some extremely odd things about this mission.

- I'm sure you'll agree there's some truth in what I say.

- That's a rather difficult question to answer.

- You don't mind talking about it, do you, Dave?

- No, not at all.

- Certainly no one could have been unaware of the very strange stories floating around before we left. Rumors about something being dug up on the moon.

- I never gave these stories much credence, but particularly in view of some other things that have happened, I find them difficult to put out of my mind.

- For instance, the way all our preparations were kept under such tight security.

- And the melodramatic touch of putting Drs. Hunter Kimball and Kaminsky aboard already in hibernation, after four months of separate training on their own.

- You working up your crew psychology report?

[...]