Oh, you better keep this in a safe place, young man. If I was you.

7 seconds sound clip from the The Polar Express movie soundboard.

You can hear this line at 00:24:57 in the Blu-ray version of the movie.

Quote context

[...]

- Hey! Wait! I have your ticket!

- Is there something I can do for you?

- I'm looking for a girl.

- Ain't we all?

- I have her ticket.

- Well, lookie. Lookie here. What is this? This is an official, authentic, genuine ticket to ride.

- Oh, you better keep this in a safe place, young man. If I was you.

- I keep all my valuables right here. Right here in the old size 13. Experience shows this is the safest place.

- Not that I have much use for those... tickets. I ride for free. Oh, yeah, yeah. I hop aboard this rattler any time I feels like it.

- I own this train. Oh, yeah. It's like I'm the king of this train. Yeah. The king of the Pol Ex.

- In fact, I am the king of the North Pole!

[...]