- How long can we depend on it staying dark?
- 10, 15 minutes.
- That's not much time.

7 seconds sound clip from the Ocean's 11 (1960) movie soundboard.

You can hear this line at 00:58:03 in the Blu-ray version of the movie.

Quote context

[...]

- Getting your mitts on dough is one thing, but getting it out of town, that's another.

- That's where Josh comes in.

- I was wondering.

- Don't wonder.

- He's the main cog. If he goofs, it's over.

- What's wrinkling you, Curly?

- How long can we depend on it staying dark?

- 10, 15 minutes.

- That's not much time.

- That's plenty of time if everyone does what he's supposed to do.

- Danny's right. You should all move like clockwork. 17 jewel.

- Boys, I want that you should think of this as a full-fledged battle. Leap into it and with the same high-type hearts that carried you across the Rhine River and... other historical places.

- Just think how proud all the big brass in the Pentagon would be, could they but know that their labors made all this beautiful operation possible?

[...]