Proceed with caution, my friend. These walls have eyes.

5 seconds sound clip from the Garfield's Feline Fantasies movie soundboard.

You can hear this line at 00:16:46.478 in the DVD version of the movie.

Quote context

[...]

- This isn't exactly the friendliest neighborhood I've seen, but not to worry. If things get too hairy, Jon is always around to get us out of this fantasy.

- Now which way do we go?

- Look, Slobber Job, a sign.

- Ah. The ancient temple.

- Good work, Slobber Job.

- Proceed with caution, my friend. These walls have eyes.

- Stop, you fool. Look what would have happened.

(Multiple arrows flying)

- Now stay behind me, and step where I step.

- That was kind of fun.

[...]