You screw around with these tanks, and they're going to blow up.
5 seconds sound clip from the Jaws (1975) movie soundboard.
You can hear this line at 01:13:52 in the Blu-ray version of the movie.
Quote context
[...]
- What the hell kind of a knot was that?
- You screw around with these tanks, and they're going to blow up.
- Seen one eat a rocking chair one time.
- Hey, Chiefy. Next time, you just ask me which line to pull, right?
- It's not too good, is it, Chief?
[...]