I was very careful, sir.
3 seconds sound clip from the Home Alone 2: Lost in New York movie soundboard.
You can hear this line at 00:40:21 in the Blu-ray version of the movie.
Quote context
[...]
- They usually give pretty good presents.
- Jeez! Don't flash these babies around here! There could be girls on this floor!
- You can't be too careful when it involves underwear.
- I'm sorry. You wanted a tip.
- That won't be necessary, sir. I still have some tip left over.
[...]