Door was on a timer. It was unlocked until three o'clock. Then it slammed shut. He was given two hours.
10 seconds sound clip from the Saw (2004) movie soundboard.
You can hear this line at 00:18:03 in the Blu-ray version of the movie.
Quote context
[...]
- The irony is that if you want to die, you just have to stay where you are.
- If you want to live, you'll have to cut yourself again.
- Find a path through the razor wire to the door. But hurry.
- At three o'clock that door will lock. And then this room becomes your tomb.
- How much blood will you shed to stay alive, Paul?
- I think we're gonna be here for a while, Sing.
- The newspapers started calling him the jigsaw killer.
[...]