- I'm supposed to make sure.
- Oh, yes, of course.
- They check.

7 seconds sound clip from the When Worlds Collide (1951) movie soundboard.

You can hear this line at 00:11:08.208 in the Blu-ray version of the movie.

Quote context

[...]

- Astronomy is a very exact science.

- Maybe so, but when they start telling me doomsday is just around the corner, we part company.

- Who's been telling you that?

- Mr. Randall? Come right this way.

- Hello, Tony. Come along, if you want to.

- Please.

- One second.

- Please, I have people waiting.

- I'm supposed to make sure.

- Oh, yes, of course.

- They check.

- Who told you that, about Doomsday?

- Why, Doc, I thought you were practically a member of the family.

- Put it on the desk, Randall. Please.

- Oh, thank you, dear.

[...]