Next time you have a chance to kill someone, don't hesitate.
6 seconds sound clip from the Die Hard (1988) movie soundboard.
You can hear this line at 00:56:10 in the Blu-ray version of the movie.
Quote context
[...]
- You are done! No more table. Where are you going, pal?
- Next time you have a chance to kill someone, don't hesitate.
- Oh, the weather outside is frightful, dum de dum delightful...
[...]