- Sam?
- As steady as down-country loving.
- Good boy.

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

You can hear this line at 01:15:21 in the Blu-ray version of the movie.

Quote context

[...]

- If the main cable should fail legitimately those doors'd spring open like a set of false teeth.

- Did you pick out a tower?

- The biggest. Josh'll give you a hand.

- What about the Sahara?

- There's one security cop that's really got me bugged. The guy just sits in front of the cages, must have arthritis or something.

- The son of a gun, he never moves.

- A left hook'll keep him that way.

- Sam?

- As steady as down-country loving.

- Good boy.

- Louis, what about the Desert Inn?

- It'll be just as easy as riding a stuffed horse.

- How's that?

- It'll be just as easy...

- Just forget it.

- Flamingo is all set.

- What about the Sands?

- Smooth and level.

[...]