If you want to live, you'll have to cut yourself again.

6 seconds sound clip from the Saw (2004) movie soundboard.

You can hear this line at 00:17:41 in the Blu-ray version of the movie.

Quote context

[...]

- We also found this.

- Hello, Paul. You are a perfectly healthy, sane, middle-class male, yet last month, you ran a straight razor across your wrists.

- Did you cut yourself because you truly wanted to die, or did you just want some attention?

- Tonight, you'll show me.

- 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?

- Door was on a timer. It was unlocked until three o'clock. Then it slammed shut. He was given two hours.

[...]